12865528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{123707}}^1$

素因数の和:123726

約数の個数: 16

約数和(自身を含む): 25978680

約数和(自身を除く): 13113152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 123707, 247414, 494828, 989656, 1608191, 3216382, 6432764, 12865528]

約数ペア:

[(1, 12865528), (2, 6432764), (4, 3216382), (8, 1608191), (13, 989656), (26, 494828), (52, 247414), (104, 123707)]