1285400626

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{153499}}^1$

素因数の和:153633

約数の個数: 16

約数和(自身を含む): 1989360000

約数和(自身を除く): 703959374

約数列:

[1, 2, 53, 79, 106, 158, 4187, 8374, 153499, 306998, 8135447, 12126421, 16270894, 24252842, 642700313, 1285400626]

約数ペア:

[(1, 1285400626), (2, 642700313), (53, 24252842), (79, 16270894), (106, 12126421), (158, 8135447), (4187, 306998), (8374, 153499)]