28203188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7639}}^1$

素因数の和:7727

約数の個数: 24

約数和(自身を含む): 53907840

約数和(自身を除く): 25704652

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7639, 15278, 30556, 99307, 198614, 397228, 542369, 1084738, 2169476, 7050797, 14101594, 28203188]

約数ペア:

[(1, 28203188), (2, 14101594), (4, 7050797), (13, 2169476), (26, 1084738), (52, 542369), (71, 397228), (142, 198614), (284, 99307), (923, 30556), (1846, 15278), (3692, 7639)]