31791385

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 38808000

約数和(自身を除く): 7016615

約数列:

[1, 5, 139, 149, 307, 695, 745, 1535, 20711, 42673, 45743, 103555, 213365, 228715, 6358277, 31791385]

約数ペア:

[(1, 31791385), (5, 6358277), (139, 228715), (149, 213365), (307, 103555), (695, 45743), (745, 42673), (1535, 20711)]