128776336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{619117}}^1$

素因数の和:619138

約数の個数: 20

約数和(自身を含む): 268697212

約数和(自身を除く): 139920876

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 619117, 1238234, 2476468, 4952936, 8048521, 9905872, 16097042, 32194084, 64388168, 128776336]

約数ペア:

[(1, 128776336), (2, 64388168), (4, 32194084), (8, 16097042), (13, 9905872), (16, 8048521), (26, 4952936), (52, 2476468), (104, 1238234), (208, 619117)]