990905804688

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{3347}}^1$

素因数の和:3925

約数の個数: 160

約数和(自身を含む): 2604099041280

約数和(自身を除く): 1613193236592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 197, 239, 262, 393, 394, 478, 524, 591, 717, 786, 788, 956, 1048, 1182, 1434, 1572, 1576, 1912, 2096, 2364, 2868, 3144, 3152, 3347, 3824, 4728, 5736, 6288, 6694, 9456, 10041, 11472, 13388, 20082, 25807, 26776, 31309, 40164, 47083, 51614, 53552, 62618, 77421, 80328, 93927, 94166, 103228, 125236, 141249, 154842, 160656, 187854, 188332, 206456, 250472, 282498, 309684, 375708, 376664, 412912, 438457, 500944, 564996, 619368, 659359, 751416, 753328, 799933, 876914, 1129992, 1238736, 1315371, 1318718, 1502832, 1599866, 1753828, 1978077, 2259984, 2399799, 2630742, 2637436, 3199732, 3507656, 3956154, 4799598, 5261484, 5274872, 6167873, 6399464, 7015312, 7912308, 9599196, 10522968, 10549744, 12335746, 12798928, 15824616, 18503619, 19198392, 21045936, 24671492, 31649232, 37007238, 38396784, 49342984, 74014476, 86376029, 98685968, 104791223, 148028952, 157586801, 172752058, 209582446, 259128087, 296057904, 314373669, 315173602, 345504116, 419164892, 472760403, 518256174, 628747338, 630347204, 691008232, 838329784, 945520806, 1036512348, 1257494676, 1260694408, 1382016464, 1676659568, 1891041612, 2073024696, 2514989352, 2521388816, 3782083224, 4146049392, 5029978704, 7564166448, 20643870931, 41287741862, 61931612793, 82575483724, 123863225586, 165150967448, 247726451172, 330301934896, 495452902344, 990905804688]

約数ペア:

[(1, 990905804688), (2, 495452902344), (3, 330301934896), (4, 247726451172), (6, 165150967448), (8, 123863225586), (12, 82575483724), (16, 61931612793), (24, 41287741862), (48, 20643870931), (131, 7564166448), (197, 5029978704), (239, 4146049392), (262, 3782083224), (393, 2521388816), (394, 2514989352), (478, 2073024696), (524, 1891041612), (591, 1676659568), (717, 1382016464), (786, 1260694408), (788, 1257494676), (956, 1036512348), (1048, 945520806), (1182, 838329784), (1434, 691008232), (1572, 630347204), (1576, 628747338), (1912, 518256174), (2096, 472760403), (2364, 419164892), (2868, 345504116), (3144, 315173602), (3152, 314373669), (3347, 296057904), (3824, 259128087), (4728, 209582446), (5736, 172752058), (6288, 157586801), (6694, 148028952), (9456, 104791223), (10041, 98685968), (11472, 86376029), (13388, 74014476), (20082, 49342984), (25807, 38396784), (26776, 37007238), (31309, 31649232), (40164, 24671492), (47083, 21045936), (51614, 19198392), (53552, 18503619), (62618, 15824616), (77421, 12798928), (80328, 12335746), (93927, 10549744), (94166, 10522968), (103228, 9599196), (125236, 7912308), (141249, 7015312), (154842, 6399464), (160656, 6167873), (187854, 5274872), (188332, 5261484), (206456, 4799598), (250472, 3956154), (282498, 3507656), (309684, 3199732), (375708, 2637436), (376664, 2630742), (412912, 2399799), (438457, 2259984), (500944, 1978077), (564996, 1753828), (619368, 1599866), (659359, 1502832), (751416, 1318718), (753328, 1315371), (799933, 1238736), (876914, 1129992)]