642476536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{3457}}^1$

素因数の和:5263

約数の個数: 32

約数和(自身を含む): 1298409840

約数和(自身を除く): 655933304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1787, 3457, 3574, 6914, 7148, 13828, 14296, 23231, 27656, 44941, 46462, 89882, 92924, 179764, 185848, 359528, 6177659, 12355318, 24710636, 49421272, 80309567, 160619134, 321238268, 642476536]

約数ペア:

[(1, 642476536), (2, 321238268), (4, 160619134), (8, 80309567), (13, 49421272), (26, 24710636), (52, 12355318), (104, 6177659), (1787, 359528), (3457, 185848), (3574, 179764), (6914, 92924), (7148, 89882), (13828, 46462), (14296, 44941), (23231, 27656)]