64729990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7013}}^1$

素因数の和:7104

約数の個数: 32

約数和(自身を含む): 127262016

約数和(自身を除く): 62532026

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 7013, 9230, 14026, 35065, 70130, 91169, 182338, 455845, 497923, 911690, 995846, 2489615, 4979230, 6472999, 12945998, 32364995, 64729990]

約数ペア:

[(1, 64729990), (2, 32364995), (5, 12945998), (10, 6472999), (13, 4979230), (26, 2489615), (65, 995846), (71, 911690), (130, 497923), (142, 455845), (355, 182338), (710, 91169), (923, 70130), (1846, 35065), (4615, 14026), (7013, 9230)]