67781872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{136657}}^1$

素因数の和:136696

約数の個数: 20

約数和(自身を含む): 135564736

約数和(自身を除く): 67782864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 136657, 273314, 546628, 1093256, 2186512, 4236367, 8472734, 16945468, 33890936, 67781872]

約数ペア:

[(1, 67781872), (2, 33890936), (4, 16945468), (8, 8472734), (16, 4236367), (31, 2186512), (62, 1093256), (124, 546628), (248, 273314), (496, 136657)]