68809390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2957}}^1$

素因数の和:3156

約数の個数: 32

約数和(自身を含む): 134174880

約数和(自身を除く): 65365490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 895, 1790, 2327, 2957, 4654, 5914, 11635, 14785, 23270, 29570, 38441, 76882, 192205, 384410, 529303, 1058606, 2646515, 5293030, 6880939, 13761878, 34404695, 68809390]

約数ペア:

[(1, 68809390), (2, 34404695), (5, 13761878), (10, 6880939), (13, 5293030), (26, 2646515), (65, 1058606), (130, 529303), (179, 384410), (358, 192205), (895, 76882), (1790, 38441), (2327, 29570), (2957, 23270), (4654, 14785), (5914, 11635)]