399252568

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31727}}^1$

素因数の和:31768

約数の個数: 48

約数和(自身を含む): 886163040

約数和(自身を除く): 486910472

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 3146, 6292, 12584, 31727, 63454, 126908, 253816, 348997, 412451, 697994, 824902, 1395988, 1649804, 2791976, 3299608, 3838967, 4536961, 7677934, 9073922, 15355868, 18147844, 30711736, 36295688, 49906571, 99813142, 199626284, 399252568]

約数ペア:

[(1, 399252568), (2, 199626284), (4, 99813142), (8, 49906571), (11, 36295688), (13, 30711736), (22, 18147844), (26, 15355868), (44, 9073922), (52, 7677934), (88, 4536961), (104, 3838967), (121, 3299608), (143, 2791976), (242, 1649804), (286, 1395988), (484, 824902), (572, 697994), (968, 412451), (1144, 348997), (1573, 253816), (3146, 126908), (6292, 63454), (12584, 31727)]