12278025718

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2187037}}^1$

素因数の和:2187447

約数の個数: 16

約数和(自身を含む): 21100542624

約数和(自身を除く): 8822516906

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 2187037, 4374074, 15309259, 30618518, 877001837, 1754003674, 6139012859, 12278025718]

約数ペア:

[(1, 12278025718), (2, 6139012859), (7, 1754003674), (14, 877001837), (401, 30618518), (802, 15309259), (2807, 4374074), (5614, 2187037)]