285989774

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 524343456

約数和(自身を除く): 238353682

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 181, 322, 362, 701, 1127, 1267, 1402, 2254, 2534, 4163, 4907, 8326, 8869, 9814, 16123, 17738, 29141, 32246, 34349, 58282, 68698, 112861, 126881, 203987, 225722, 253762, 407974, 790027, 888167, 1580054, 1776334, 2918263, 5836526, 6217169, 12434338, 20427841, 40855682, 142994887, 285989774]

約数ペア:

[(1, 285989774), (2, 142994887), (7, 40855682), (14, 20427841), (23, 12434338), (46, 6217169), (49, 5836526), (98, 2918263), (161, 1776334), (181, 1580054), (322, 888167), (362, 790027), (701, 407974), (1127, 253762), (1267, 225722), (1402, 203987), (2254, 126881), (2534, 112861), (4163, 68698), (4907, 58282), (8326, 34349), (8869, 32246), (9814, 29141), (16123, 17738)]