156937345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^2$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 199215360

約数和(自身を除く): 42278015

約数列:

[1, 5, 31, 59, 131, 155, 295, 655, 1829, 4061, 7729, 9145, 17161, 20305, 38645, 85805, 239599, 531991, 1012499, 1197995, 2659955, 5062495, 31387469, 156937345]

約数ペア:

[(1, 156937345), (5, 31387469), (31, 5062495), (59, 2659955), (131, 1197995), (155, 1012499), (295, 531991), (655, 239599), (1829, 85805), (4061, 38645), (7729, 20305), (9145, 17161)]