28581904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137413}}^1$

素因数の和:137434

約数の個数: 20

約数和(自身を含む): 59637676

約数和(自身を除く): 31055772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137413, 274826, 549652, 1099304, 1786369, 2198608, 3572738, 7145476, 14290952, 28581904]

約数ペア:

[(1, 28581904), (2, 14290952), (4, 7145476), (8, 3572738), (13, 2198608), (16, 1786369), (26, 1099304), (52, 549652), (104, 274826), (208, 137413)]