71915870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2437}}^1$

素因数の和:2684

約数の個数: 32

約数和(自身を含む): 140077728

約数和(自身を除く): 68161858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2437, 2951, 4874, 5902, 12185, 14755, 24370, 29510, 31681, 63362, 158405, 316810, 553199, 1106398, 2765995, 5531990, 7191587, 14383174, 35957935, 71915870]

約数ペア:

[(1, 71915870), (2, 35957935), (5, 14383174), (10, 7191587), (13, 5531990), (26, 2765995), (65, 1106398), (130, 553199), (227, 316810), (454, 158405), (1135, 63362), (2270, 31681), (2437, 29510), (2951, 24370), (4874, 14755), (5902, 12185)]