81034465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1213}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 100694016

約数和(自身を除く): 19659551

約数列:

[1, 5, 31, 155, 431, 1213, 2155, 6065, 13361, 37603, 66805, 188015, 522803, 2614015, 16206893, 81034465]

約数ペア:

[(1, 81034465), (5, 16206893), (31, 2614015), (155, 522803), (431, 188015), (1213, 66805), (2155, 37603), (6065, 13361)]