31998197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 40176000

約数和(自身を除く): 8177803

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 2789, 11473, 19523, 30679, 214753, 415561, 2908927, 4571171, 31998197]

約数ペア:

[(1, 31998197), (7, 4571171), (11, 2908927), (77, 415561), (149, 214753), (1043, 30679), (1639, 19523), (2789, 11473)]