128205886

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{2281}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 194700240

約数和(自身を除く): 66494354

約数列:

[1, 2, 157, 179, 314, 358, 2281, 4562, 28103, 56206, 358117, 408299, 716234, 816598, 64102943, 128205886]

約数ペア:

[(1, 128205886), (2, 64102943), (157, 816598), (179, 716234), (314, 408299), (358, 358117), (2281, 56206), (4562, 28103)]