68775856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138661}}^1$

素因数の和:138700

約数の個数: 20

約数和(自身を含む): 137552704

約数和(自身を除く): 68776848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138661, 277322, 554644, 1109288, 2218576, 4298491, 8596982, 17193964, 34387928, 68775856]

約数ペア:

[(1, 68775856), (2, 34387928), (4, 17193964), (8, 8596982), (16, 4298491), (31, 2218576), (62, 1109288), (124, 554644), (248, 277322), (496, 138661)]