72854990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5441}}^1$

素因数の和:5564

約数の個数: 32

約数和(自身を含む): 142623936

約数和(自身を除く): 69768946

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 5441, 6695, 10882, 13390, 27205, 54410, 70733, 141466, 353665, 560423, 707330, 1120846, 2802115, 5604230, 7285499, 14570998, 36427495, 72854990]

約数ペア:

[(1, 72854990), (2, 36427495), (5, 14570998), (10, 7285499), (13, 5604230), (26, 2802115), (65, 1120846), (103, 707330), (130, 560423), (206, 353665), (515, 141466), (1030, 70733), (1339, 54410), (2678, 27205), (5441, 13390), (6695, 10882)]