268458416

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{25933}}^1$

素因数の和:26588

約数の個数: 20

約数和(自身を含む): 520962192

約数和(自身を除く): 252503776

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 25933, 51866, 103732, 207464, 414928, 16778651, 33557302, 67114604, 134229208, 268458416]

約数ペア:

[(1, 268458416), (2, 134229208), (4, 67114604), (8, 33557302), (16, 16778651), (647, 414928), (1294, 207464), (2588, 103732), (5176, 51866), (10352, 25933)]