680621318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{71329}}^1$

素因数の和:71711

約数の個数: 16

約数和(自身を含む): 1102476480

約数和(自身を除く): 421855162

約数列:

[1, 2, 13, 26, 367, 734, 4771, 9542, 71329, 142658, 927277, 1854554, 26177743, 52355486, 340310659, 680621318]

約数ペア:

[(1, 680621318), (2, 340310659), (13, 52355486), (26, 26177743), (367, 1854554), (734, 927277), (4771, 142658), (9542, 71329)]