256814478

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{27073}}^1$

素因数の和:27129

約数の個数: 48

約数和(自身を含む): 608190336

約数和(自身を除く): 351375858

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 279, 306, 527, 558, 1054, 1581, 3162, 4743, 9486, 27073, 54146, 81219, 162438, 243657, 460241, 487314, 839263, 920482, 1380723, 1678526, 2517789, 2761446, 4142169, 5035578, 7553367, 8284338, 14267471, 15106734, 28534942, 42802413, 85604826, 128407239, 256814478]

約数ペア:

[(1, 256814478), (2, 128407239), (3, 85604826), (6, 42802413), (9, 28534942), (17, 15106734), (18, 14267471), (31, 8284338), (34, 7553367), (51, 5035578), (62, 4142169), (93, 2761446), (102, 2517789), (153, 1678526), (186, 1380723), (279, 920482), (306, 839263), (527, 487314), (558, 460241), (1054, 243657), (1581, 162438), (3162, 81219), (4743, 54146), (9486, 27073)]