1235728

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 30

約数和(自身を含む): 2598234

約数和(自身を除く): 1362506

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 457, 676, 914, 1352, 1828, 2704, 3656, 5941, 7312, 11882, 23764, 47528, 77233, 95056, 154466, 308932, 617864, 1235728]

約数ペア:

[(1, 1235728), (2, 617864), (4, 308932), (8, 154466), (13, 95056), (16, 77233), (26, 47528), (52, 23764), (104, 11882), (169, 7312), (208, 5941), (338, 3656), (457, 2704), (676, 1828), (914, 1352)]