991744990

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{573263}}^1$

素因数の和:573443

約数の個数: 16

約数和(自身を含む): 1795462848

約数和(自身を除く): 803717858

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 573263, 1146526, 2866315, 5732630, 99174499, 198348998, 495872495, 991744990]

約数ペア:

[(1, 991744990), (2, 495872495), (5, 198348998), (10, 99174499), (173, 5732630), (346, 2866315), (865, 1146526), (1730, 573263)]