208928468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{240701}}^1$

素因数の和:240743

約数の個数: 24

約数和(自身を含む): 431337984

約数和(自身を除く): 222409516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 240701, 481402, 962804, 1684907, 3369814, 6739628, 7461731, 14923462, 29846924, 52232117, 104464234, 208928468]

約数ペア:

[(1, 208928468), (2, 104464234), (4, 52232117), (7, 29846924), (14, 14923462), (28, 7461731), (31, 6739628), (62, 3369814), (124, 1684907), (217, 962804), (434, 481402), (868, 240701)]