989324

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 2005920

約数和(自身を除く): 1016596

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 397, 623, 794, 1246, 1588, 2492, 2779, 5558, 11116, 35333, 70666, 141332, 247331, 494662, 989324]

約数ペア:

[(1, 989324), (2, 494662), (4, 247331), (7, 141332), (14, 70666), (28, 35333), (89, 11116), (178, 5558), (356, 2779), (397, 2492), (623, 1588), (794, 1246)]