30781898

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 56536704

約数和(自身を除く): 25754806

約数列:

[1, 2, 7, 14, 41, 47, 49, 82, 94, 98, 163, 287, 326, 329, 574, 658, 1141, 1927, 2009, 2282, 2303, 3854, 4018, 4606, 6683, 7661, 7987, 13366, 13489, 15322, 15974, 26978, 46781, 53627, 93562, 94423, 107254, 188846, 314101, 327467, 375389, 628202, 654934, 750778, 2198707, 4397414, 15390949, 30781898]

約数ペア:

[(1, 30781898), (2, 15390949), (7, 4397414), (14, 2198707), (41, 750778), (47, 654934), (49, 628202), (82, 375389), (94, 327467), (98, 314101), (163, 188846), (287, 107254), (326, 94423), (329, 93562), (574, 53627), (658, 46781), (1141, 26978), (1927, 15974), (2009, 15322), (2282, 13489), (2303, 13366), (3854, 7987), (4018, 7661), (4606, 6683)]