920474863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{323087}}^1$

素因数の和:323142

約数の個数: 16

約数和(自身を含む): 1178625024

約数和(自身を除く): 258150161

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 323087, 2261609, 3553957, 11954219, 24877699, 83679533, 131496409, 920474863]

約数ペア:

[(1, 920474863), (7, 131496409), (11, 83679533), (37, 24877699), (77, 11954219), (259, 3553957), (407, 2261609), (2849, 323087)]