861421285

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{5743}}^1$

素因数の和:6108

約数の個数: 16

約数和(自身を含む): 1046327040

約数和(自身を除く): 184905755

約数列:

[1, 5, 131, 229, 655, 1145, 5743, 28715, 29999, 149995, 752333, 1315147, 3761665, 6575735, 172284257, 861421285]

約数ペア:

[(1, 861421285), (5, 172284257), (131, 6575735), (229, 3761665), (655, 1315147), (1145, 752333), (5743, 149995), (28715, 29999)]