1854402485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{40013}}^1$

素因数の和:40085

約数の個数: 32

約数和(自身を含む): 2581383168

約数和(自身を除く): 726980683

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1495, 2015, 3565, 9269, 40013, 46345, 200065, 520169, 920299, 1240403, 2600845, 4601495, 6202015, 11963887, 16125239, 28529269, 59819435, 80626195, 142646345, 370880497, 1854402485]

約数ペア:

[(1, 1854402485), (5, 370880497), (13, 142646345), (23, 80626195), (31, 59819435), (65, 28529269), (115, 16125239), (155, 11963887), (299, 6202015), (403, 4601495), (713, 2600845), (1495, 1240403), (2015, 920299), (3565, 520169), (9269, 200065), (40013, 46345)]