71139380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273613}}^1$

素因数の和:273635

約数の個数: 24

約数和(自身を含む): 160885032

約数和(自身を除く): 89745652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 273613, 547226, 1094452, 1368065, 2736130, 3556969, 5472260, 7113938, 14227876, 17784845, 35569690, 71139380]

約数ペア:

[(1, 71139380), (2, 35569690), (4, 17784845), (5, 14227876), (10, 7113938), (13, 5472260), (20, 3556969), (26, 2736130), (52, 1368065), (65, 1094452), (130, 547226), (260, 273613)]