991010

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:997

約数の個数: 16

約数和(自身を含む): 1801656

約数和(自身を除く): 810646

約数列:

[1, 2, 5, 10, 113, 226, 565, 877, 1130, 1754, 4385, 8770, 99101, 198202, 495505, 991010]

約数ペア:

[(1, 991010), (2, 495505), (5, 198202), (10, 99101), (113, 8770), (226, 4385), (565, 1754), (877, 1130)]