208545788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{7001}}^1$

素因数の和:7693

約数の個数: 24

約数和(自身を含む): 398777904

約数和(自身を除く): 190232116

約数列:

[1, 2, 4, 11, 22, 44, 677, 1354, 2708, 7001, 7447, 14002, 14894, 28004, 29788, 77011, 154022, 308044, 4739677, 9479354, 18958708, 52136447, 104272894, 208545788]

約数ペア:

[(1, 208545788), (2, 104272894), (4, 52136447), (11, 18958708), (22, 9479354), (44, 4739677), (677, 308044), (1354, 154022), (2708, 77011), (7001, 29788), (7447, 28004), (14002, 14894)]