208385045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{42571}}^1$

素因数の和:42676

約数の個数: 16

約数和(自身を含む): 275866560

約数和(自身を除く): 67481515

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 42571, 212855, 468281, 2341405, 3788819, 18944095, 41677009, 208385045]

約数ペア:

[(1, 208385045), (5, 41677009), (11, 18944095), (55, 3788819), (89, 2341405), (445, 468281), (979, 212855), (4895, 42571)]