28729172

素因数分解:

$2^2\times {\mathrm{103}}^2\times {\mathrm{677}}^1$

素因数の和:887

約数の個数: 18

約数和(自身を含む): 50843898

約数和(自身を除く): 22114726

約数列:

[1, 2, 4, 103, 206, 412, 677, 1354, 2708, 10609, 21218, 42436, 69731, 139462, 278924, 7182293, 14364586, 28729172]

約数ペア:

[(1, 28729172), (2, 14364586), (4, 7182293), (103, 278924), (206, 139462), (412, 69731), (677, 42436), (1354, 21218), (2708, 10609)]