26857915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 12125765

約数列:

[1, 5, 7, 29, 35, 47, 145, 203, 235, 329, 563, 1015, 1363, 1645, 2815, 3941, 6815, 9541, 16327, 19705, 26461, 47705, 81635, 114289, 132305, 185227, 571445, 767369, 926135, 3836845, 5371583, 26857915]

約数ペア:

[(1, 26857915), (5, 5371583), (7, 3836845), (29, 926135), (35, 767369), (47, 571445), (145, 185227), (203, 132305), (235, 114289), (329, 81635), (563, 47705), (1015, 26461), (1363, 19705), (1645, 16327), (2815, 9541), (3941, 6815)]