864190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1067

約数の個数: 16

約数和(自身を含む): 1574640

約数和(自身を除く): 710450

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 971, 1942, 4855, 9710, 86419, 172838, 432095, 864190]

約数ペア:

[(1, 864190), (2, 432095), (5, 172838), (10, 86419), (89, 9710), (178, 4855), (445, 1942), (890, 971)]