128338847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{3517}}^1$

素因数の和:3938

約数の個数: 16

約数和(自身を含む): 158394432

約数和(自身を除く): 30055585

約数列:

[1, 7, 13, 91, 401, 2807, 3517, 5213, 24619, 36491, 45721, 320047, 1410317, 9872219, 18334121, 128338847]

約数ペア:

[(1, 128338847), (7, 18334121), (13, 9872219), (91, 1410317), (401, 320047), (2807, 45721), (3517, 36491), (5213, 24619)]