81874465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{6379}}^1$

素因数の和:6552

約数の個数: 16

約数和(自身を含む): 104734080

約数和(自身を除く): 22859615

約数列:

[1, 5, 17, 85, 151, 755, 2567, 6379, 12835, 31895, 108443, 542215, 963229, 4816145, 16374893, 81874465]

約数ペア:

[(1, 81874465), (5, 16374893), (17, 4816145), (85, 963229), (151, 542215), (755, 108443), (2567, 31895), (6379, 12835)]