121478515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{20129}}^1$

素因数の和:20222

約数の個数: 16

約数和(自身を含む): 156530880

約数和(自身を除く): 35052365

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 20129, 100645, 342193, 1429159, 1710965, 7145795, 24295703, 121478515]

約数ペア:

[(1, 121478515), (5, 24295703), (17, 7145795), (71, 1710965), (85, 1429159), (355, 342193), (1207, 100645), (6035, 20129)]