16408631408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{78887651}}^1$

素因数の和:78887672

約数の個数: 20

約数和(自身を含む): 34237240968

約数和(自身を除く): 17828609560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 78887651, 157775302, 315550604, 631101208, 1025539463, 1262202416, 2051078926, 4102157852, 8204315704, 16408631408]

約数ペア:

[(1, 16408631408), (2, 8204315704), (4, 4102157852), (8, 2051078926), (13, 1262202416), (16, 1025539463), (26, 631101208), (52, 315550604), (104, 157775302), (208, 78887651)]