28410305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 42958080

約数和(自身を除く): 14547775

約数列:

[1, 5, 7, 11, 35, 55, 77, 109, 385, 545, 677, 763, 1199, 3385, 3815, 4739, 5995, 7447, 8393, 23695, 37235, 41965, 52129, 73793, 260645, 368965, 516551, 811723, 2582755, 4058615, 5682061, 28410305]

約数ペア:

[(1, 28410305), (5, 5682061), (7, 4058615), (11, 2582755), (35, 811723), (55, 516551), (77, 368965), (109, 260645), (385, 73793), (545, 52129), (677, 41965), (763, 37235), (1199, 23695), (3385, 8393), (3815, 7447), (4739, 5995)]