181705384

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 437944320

約数和(自身を除く): 256238936

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 47, 56, 62, 68, 94, 119, 124, 131, 136, 188, 217, 238, 248, 262, 329, 376, 434, 476, 524, 527, 658, 799, 868, 917, 952, 1048, 1054, 1316, 1457, 1598, 1736, 1834, 2108, 2227, 2632, 2914, 3196, 3668, 3689, 4061, 4216, 4454, 5593, 5828, 6157, 6392, 7336, 7378, 8122, 8908, 10199, 11186, 11656, 12314, 14756, 15589, 16244, 17816, 20398, 22372, 24628, 24769, 28427, 29512, 31178, 32488, 40796, 43099, 44744, 49256, 49538, 56854, 62356, 69037, 81592, 86198, 99076, 104669, 113708, 124712, 138074, 172396, 173383, 190867, 198152, 209338, 227416, 276148, 344792, 346766, 381734, 418676, 483259, 552296, 693532, 732683, 763468, 837352, 966518, 1336069, 1387064, 1465366, 1526936, 1933036, 2672138, 2930732, 3244739, 3866072, 5344276, 5861464, 6489478, 10688552, 12978956, 22713173, 25957912, 45426346, 90852692, 181705384]

約数ペア:

[(1, 181705384), (2, 90852692), (4, 45426346), (7, 25957912), (8, 22713173), (14, 12978956), (17, 10688552), (28, 6489478), (31, 5861464), (34, 5344276), (47, 3866072), (56, 3244739), (62, 2930732), (68, 2672138), (94, 1933036), (119, 1526936), (124, 1465366), (131, 1387064), (136, 1336069), (188, 966518), (217, 837352), (238, 763468), (248, 732683), (262, 693532), (329, 552296), (376, 483259), (434, 418676), (476, 381734), (524, 346766), (527, 344792), (658, 276148), (799, 227416), (868, 209338), (917, 198152), (952, 190867), (1048, 173383), (1054, 172396), (1316, 138074), (1457, 124712), (1598, 113708), (1736, 104669), (1834, 99076), (2108, 86198), (2227, 81592), (2632, 69037), (2914, 62356), (3196, 56854), (3668, 49538), (3689, 49256), (4061, 44744), (4216, 43099), (4454, 40796), (5593, 32488), (5828, 31178), (6157, 29512), (6392, 28427), (7336, 24769), (7378, 24628), (8122, 22372), (8908, 20398), (10199, 17816), (11186, 16244), (11656, 15589), (12314, 14756)]