72103928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3109}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 146294400

約数和(自身を除く): 74190472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 223, 446, 892, 1784, 2899, 3109, 5798, 6218, 11596, 12436, 23192, 24872, 40417, 80834, 161668, 323336, 693307, 1386614, 2773228, 5546456, 9012991, 18025982, 36051964, 72103928]

約数ペア:

[(1, 72103928), (2, 36051964), (4, 18025982), (8, 9012991), (13, 5546456), (26, 2773228), (52, 1386614), (104, 693307), (223, 323336), (446, 161668), (892, 80834), (1784, 40417), (2899, 24872), (3109, 23192), (5798, 12436), (6218, 11596)]