172213525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20201}}^1$

素因数の和:20253

約数の個数: 24

約数和(自身を含む): 240484608

約数和(自身を除く): 68271083

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 8525, 20201, 101005, 222211, 505025, 626231, 1111055, 3131155, 5555275, 6888541, 15655775, 34442705, 172213525]

約数ペア:

[(1, 172213525), (5, 34442705), (11, 15655775), (25, 6888541), (31, 5555275), (55, 3131155), (155, 1111055), (275, 626231), (341, 505025), (775, 222211), (1705, 101005), (8525, 20201)]