81016765

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 98449200

約数和(自身を除く): 17432435

約数列:

[1, 5, 173, 229, 409, 865, 1145, 2045, 39617, 70757, 93661, 198085, 353785, 468305, 16203353, 81016765]

約数ペア:

[(1, 81016765), (5, 16203353), (173, 468305), (229, 353785), (409, 198085), (865, 93661), (1145, 70757), (2045, 39617)]