81244790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{738589}}^1$

素因数の和:738607

約数の個数: 16

約数和(自身を含む): 159535440

約数和(自身を除く): 78290650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 738589, 1477178, 3692945, 7385890, 8124479, 16248958, 40622395, 81244790]

約数ペア:

[(1, 81244790), (2, 40622395), (5, 16248958), (10, 8124479), (11, 7385890), (22, 3692945), (55, 1477178), (110, 738589)]