28186405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 39715200

約数和(自身を除く): 11528795

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 787, 1235, 1885, 2755, 3935, 7163, 10231, 14953, 22823, 35815, 51155, 74765, 114115, 194389, 296699, 433637, 971945, 1483495, 2168185, 5637281, 28186405]

約数ペア:

[(1, 28186405), (5, 5637281), (13, 2168185), (19, 1483495), (29, 971945), (65, 433637), (95, 296699), (145, 194389), (247, 114115), (377, 74765), (551, 51155), (787, 35815), (1235, 22823), (1885, 14953), (2755, 10231), (3935, 7163)]