28181764

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:964

約数の個数: 36

約数和(自身を含む): 54601344

約数和(自身を除く): 26419580

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 611, 676, 887, 1222, 1774, 2444, 3548, 7943, 11531, 15886, 23062, 31772, 41689, 46124, 83378, 149903, 166756, 299806, 541957, 599612, 1083914, 2167828, 7045441, 14090882, 28181764]

約数ペア:

[(1, 28181764), (2, 14090882), (4, 7045441), (13, 2167828), (26, 1083914), (47, 599612), (52, 541957), (94, 299806), (169, 166756), (188, 149903), (338, 83378), (611, 46124), (676, 41689), (887, 31772), (1222, 23062), (1774, 15886), (2444, 11531), (3548, 7943)]