16271216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 34258224

約数和(自身を除く): 17987008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 571, 1096, 1142, 1781, 2192, 2284, 3562, 4568, 7124, 7423, 9136, 14248, 14846, 28496, 29692, 59384, 78227, 118768, 156454, 312908, 625816, 1016951, 1251632, 2033902, 4067804, 8135608, 16271216]

約数ペア:

[(1, 16271216), (2, 8135608), (4, 4067804), (8, 2033902), (13, 1251632), (16, 1016951), (26, 625816), (52, 312908), (104, 156454), (137, 118768), (208, 78227), (274, 59384), (548, 29692), (571, 28496), (1096, 14846), (1142, 14248), (1781, 9136), (2192, 7423), (2284, 7124), (3562, 4568)]