81996265

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{4219}}^1$

素因数の和:4273

約数の個数: 24

約数和(自身を含む): 111205440

約数和(自身を除く): 29209175

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3887, 4219, 19435, 21095, 54847, 97037, 274235, 485185, 713011, 1261481, 3565055, 6307405, 16399253, 81996265]

約数ペア:

[(1, 81996265), (5, 16399253), (13, 6307405), (23, 3565055), (65, 1261481), (115, 713011), (169, 485185), (299, 274235), (845, 97037), (1495, 54847), (3887, 21095), (4219, 19435)]