2021820498

素因数分解:

$2^1\times 3^2\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{1451}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 4416984000

約数和(自身を除く): 2395163502

約数列:

[1, 2, 3, 6, 9, 18, 199, 389, 398, 597, 778, 1167, 1194, 1451, 1791, 2334, 2902, 3501, 3582, 4353, 7002, 8706, 13059, 26118, 77411, 154822, 232233, 288749, 464466, 564439, 577498, 696699, 866247, 1128878, 1393398, 1693317, 1732494, 2598741, 3386634, 5079951, 5197482, 10159902, 112323361, 224646722, 336970083, 673940166, 1010910249, 2021820498]

約数ペア:

[(1, 2021820498), (2, 1010910249), (3, 673940166), (6, 336970083), (9, 224646722), (18, 112323361), (199, 10159902), (389, 5197482), (398, 5079951), (597, 3386634), (778, 2598741), (1167, 1732494), (1194, 1693317), (1451, 1393398), (1791, 1128878), (2334, 866247), (2902, 696699), (3501, 577498), (3582, 564439), (4353, 464466), (7002, 288749), (8706, 232233), (13059, 154822), (26118, 77411)]