257392751

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 332812800

約数和(自身を除く): 75420049

約数列:

[1, 7, 11, 53, 59, 77, 371, 413, 583, 649, 1069, 3127, 4081, 4543, 7483, 11759, 21889, 34397, 56657, 63071, 82313, 240779, 396599, 441497, 623227, 693781, 3342763, 4362589, 4856467, 23399341, 36770393, 257392751]

約数ペア:

[(1, 257392751), (7, 36770393), (11, 23399341), (53, 4856467), (59, 4362589), (77, 3342763), (371, 693781), (413, 623227), (583, 441497), (649, 396599), (1069, 240779), (3127, 82313), (4081, 63071), (4543, 56657), (7483, 34397), (11759, 21889)]