28338625

素因数分解:

$5^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 12545855

約数列:

[1, 5, 7, 25, 35, 125, 139, 175, 233, 695, 875, 973, 1165, 1631, 3475, 4865, 5825, 8155, 17375, 24325, 29125, 32387, 40775, 121625, 161935, 203875, 226709, 809675, 1133545, 4048375, 5667725, 28338625]

約数ペア:

[(1, 28338625), (5, 5667725), (7, 4048375), (25, 1133545), (35, 809675), (125, 226709), (139, 203875), (175, 161935), (233, 121625), (695, 40775), (875, 32387), (973, 29125), (1165, 24325), (1631, 17375), (3475, 8155), (4865, 5825)]