257029112

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 517321800

約数和(自身を除く): 260292688

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 361, 488, 722, 1159, 1444, 1459, 2318, 2888, 2918, 4636, 5836, 9272, 11672, 22021, 27721, 44042, 55442, 88084, 88999, 110884, 176168, 177998, 221768, 355996, 526699, 711992, 1053398, 1690981, 2106796, 3381962, 4213592, 6763924, 13527848, 32128639, 64257278, 128514556, 257029112]

約数ペア:

[(1, 257029112), (2, 128514556), (4, 64257278), (8, 32128639), (19, 13527848), (38, 6763924), (61, 4213592), (76, 3381962), (122, 2106796), (152, 1690981), (244, 1053398), (361, 711992), (488, 526699), (722, 355996), (1159, 221768), (1444, 177998), (1459, 176168), (2318, 110884), (2888, 88999), (2918, 88084), (4636, 55442), (5836, 44042), (9272, 27721), (11672, 22021)]