51280164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 150841600

約数和(自身を除く): 99561436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 73, 76, 78, 79, 114, 117, 146, 156, 158, 171, 219, 228, 234, 237, 247, 292, 316, 342, 438, 468, 474, 494, 657, 684, 711, 741, 876, 948, 949, 988, 1027, 1314, 1387, 1422, 1482, 1501, 1898, 2054, 2223, 2628, 2774, 2844, 2847, 2964, 3002, 3081, 3796, 4108, 4161, 4446, 4503, 5548, 5694, 5767, 6004, 6162, 8322, 8541, 8892, 9006, 9243, 11388, 11534, 12324, 12483, 13509, 16644, 17082, 17301, 18012, 18031, 18486, 19513, 23068, 24966, 27018, 34164, 34602, 36062, 36972, 39026, 49932, 51903, 54036, 54093, 58539, 69204, 72124, 74971, 78052, 103806, 108186, 109573, 117078, 149942, 162279, 175617, 207612, 216372, 219146, 224913, 234156, 299884, 324558, 328719, 351234, 438292, 449826, 649116, 657438, 674739, 702468, 899652, 986157, 1314876, 1349478, 1424449, 1972314, 2698956, 2848898, 3944628, 4273347, 5697796, 8546694, 12820041, 17093388, 25640082, 51280164]

約数ペア:

[(1, 51280164), (2, 25640082), (3, 17093388), (4, 12820041), (6, 8546694), (9, 5697796), (12, 4273347), (13, 3944628), (18, 2848898), (19, 2698956), (26, 1972314), (36, 1424449), (38, 1349478), (39, 1314876), (52, 986157), (57, 899652), (73, 702468), (76, 674739), (78, 657438), (79, 649116), (114, 449826), (117, 438292), (146, 351234), (156, 328719), (158, 324558), (171, 299884), (219, 234156), (228, 224913), (234, 219146), (237, 216372), (247, 207612), (292, 175617), (316, 162279), (342, 149942), (438, 117078), (468, 109573), (474, 108186), (494, 103806), (657, 78052), (684, 74971), (711, 72124), (741, 69204), (876, 58539), (948, 54093), (949, 54036), (988, 51903), (1027, 49932), (1314, 39026), (1387, 36972), (1422, 36062), (1482, 34602), (1501, 34164), (1898, 27018), (2054, 24966), (2223, 23068), (2628, 19513), (2774, 18486), (2844, 18031), (2847, 18012), (2964, 17301), (3002, 17082), (3081, 16644), (3796, 13509), (4108, 12483), (4161, 12324), (4446, 11534), (4503, 11388), (5548, 9243), (5694, 9006), (5767, 8892), (6004, 8541), (6162, 8322)]