318702979

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 393704960

約数和(自身を除く): 75001981

約数列:

[1, 7, 19, 61, 133, 163, 241, 427, 1141, 1159, 1687, 3097, 4579, 8113, 9943, 14701, 21679, 32053, 39283, 69601, 102907, 188917, 274981, 279319, 746377, 1322419, 1955233, 2396263, 5224639, 16773841, 45528997, 318702979]

約数ペア:

[(1, 318702979), (7, 45528997), (19, 16773841), (61, 5224639), (133, 2396263), (163, 1955233), (241, 1322419), (427, 746377), (1141, 279319), (1159, 274981), (1687, 188917), (3097, 102907), (4579, 69601), (8113, 39283), (9943, 32053), (14701, 21679)]