67820005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2861}}^1$

素因数の和:3308

約数の個数: 16

約数和(自身を含む): 89019648

約数和(自身を除く): 21199643

約数列:

[1, 5, 11, 55, 431, 2155, 2861, 4741, 14305, 23705, 31471, 157355, 1233091, 6165455, 13564001, 67820005]

約数ペア:

[(1, 67820005), (5, 13564001), (11, 6165455), (55, 1233091), (431, 157355), (2155, 31471), (2861, 23705), (4741, 14305)]