31172856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 94832640

約数和(自身を除く): 63659784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 248, 264, 286, 293, 312, 341, 372, 403, 429, 572, 586, 682, 744, 806, 858, 879, 1023, 1144, 1172, 1209, 1364, 1612, 1716, 1758, 2046, 2344, 2418, 2728, 3223, 3224, 3432, 3516, 3809, 4092, 4433, 4836, 6446, 7032, 7618, 8184, 8866, 9083, 9669, 9672, 11427, 12892, 13299, 15236, 17732, 18166, 19338, 22854, 25784, 26598, 27249, 30472, 35464, 36332, 38676, 41899, 45708, 53196, 54498, 72664, 77352, 83798, 91416, 99913, 106392, 108996, 118079, 125697, 167596, 199826, 217992, 236158, 251394, 299739, 335192, 354237, 399652, 472316, 502788, 599478, 708474, 799304, 944632, 1005576, 1198956, 1298869, 1416948, 2397912, 2597738, 2833896, 3896607, 5195476, 7793214, 10390952, 15586428, 31172856]

約数ペア:

[(1, 31172856), (2, 15586428), (3, 10390952), (4, 7793214), (6, 5195476), (8, 3896607), (11, 2833896), (12, 2597738), (13, 2397912), (22, 1416948), (24, 1298869), (26, 1198956), (31, 1005576), (33, 944632), (39, 799304), (44, 708474), (52, 599478), (62, 502788), (66, 472316), (78, 399652), (88, 354237), (93, 335192), (104, 299739), (124, 251394), (132, 236158), (143, 217992), (156, 199826), (186, 167596), (248, 125697), (264, 118079), (286, 108996), (293, 106392), (312, 99913), (341, 91416), (372, 83798), (403, 77352), (429, 72664), (572, 54498), (586, 53196), (682, 45708), (744, 41899), (806, 38676), (858, 36332), (879, 35464), (1023, 30472), (1144, 27249), (1172, 26598), (1209, 25784), (1364, 22854), (1612, 19338), (1716, 18166), (1758, 17732), (2046, 15236), (2344, 13299), (2418, 12892), (2728, 11427), (3223, 9672), (3224, 9669), (3432, 9083), (3516, 8866), (3809, 8184), (4092, 7618), (4433, 7032), (4836, 6446)]