261639184

素因数分解:

$2^4\times {\mathrm{3001}}^1\times {\mathrm{5449}}^1$

素因数の和:8458

約数の個数: 20

約数和(自身を含む): 507187900

約数和(自身を除く): 245548716

約数列:

[1, 2, 4, 8, 16, 3001, 5449, 6002, 10898, 12004, 21796, 24008, 43592, 48016, 87184, 16352449, 32704898, 65409796, 130819592, 261639184]

約数ペア:

[(1, 261639184), (2, 130819592), (4, 65409796), (8, 32704898), (16, 16352449), (3001, 87184), (5449, 48016), (6002, 43592), (10898, 24008), (12004, 21796)]