72166835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 95968656

約数和(自身を除く): 23801821

約数列:

[1, 5, 13, 37, 65, 185, 481, 811, 1369, 2405, 4055, 6845, 10543, 17797, 30007, 52715, 88985, 150035, 390091, 1110259, 1950455, 5551295, 14433367, 72166835]

約数ペア:

[(1, 72166835), (5, 14433367), (13, 5551295), (37, 1950455), (65, 1110259), (185, 390091), (481, 150035), (811, 88985), (1369, 52715), (2405, 30007), (4055, 17797), (6845, 10543)]