81947710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{853}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 159253920

約数和(自身を除く): 77306210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 739, 853, 1478, 1706, 3695, 4265, 7390, 8530, 9607, 11089, 19214, 22178, 48035, 55445, 96070, 110890, 630367, 1260734, 3151835, 6303670, 8194771, 16389542, 40973855, 81947710]

約数ペア:

[(1, 81947710), (2, 40973855), (5, 16389542), (10, 8194771), (13, 6303670), (26, 3151835), (65, 1260734), (130, 630367), (739, 110890), (853, 96070), (1478, 55445), (1706, 48035), (3695, 22178), (4265, 19214), (7390, 11089), (8530, 9607)]