127171528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{3449}}^1$

素因数の和:3885

約数の個数: 32

約数和(自身を含む): 260820000

約数和(自身を除く): 133648472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 419, 838, 1676, 3352, 3449, 4609, 6898, 9218, 13796, 18436, 27592, 36872, 37939, 75878, 151756, 303512, 1445131, 2890262, 5780524, 11561048, 15896441, 31792882, 63585764, 127171528]

約数ペア:

[(1, 127171528), (2, 63585764), (4, 31792882), (8, 15896441), (11, 11561048), (22, 5780524), (44, 2890262), (88, 1445131), (419, 303512), (838, 151756), (1676, 75878), (3352, 37939), (3449, 36872), (4609, 27592), (6898, 18436), (9218, 13796)]