2783207830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21409291}}^1$

素因数の和:21409311

約数の個数: 16

約数和(自身を含む): 5395141584

約数和(自身を除く): 2611933754

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21409291, 42818582, 107046455, 214092910, 278320783, 556641566, 1391603915, 2783207830]

約数ペア:

[(1, 2783207830), (2, 1391603915), (5, 556641566), (10, 278320783), (13, 214092910), (26, 107046455), (65, 42818582), (130, 21409291)]