61813225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 80851968

約数和(自身を除く): 19038743

約数列:

[1, 5, 25, 31, 47, 155, 235, 775, 1175, 1457, 1697, 7285, 8485, 36425, 42425, 52607, 79759, 263035, 398795, 1315175, 1993975, 2472529, 12362645, 61813225]

約数ペア:

[(1, 61813225), (5, 12362645), (25, 2472529), (31, 1993975), (47, 1315175), (155, 398795), (235, 263035), (775, 79759), (1175, 52607), (1457, 42425), (1697, 36425), (7285, 8485)]