980405858

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{20939}}^1$

素因数の和:21553

約数の個数: 16

約数和(自身を含む): 1509187680

約数和(自身を除く): 528781822

約数列:

[1, 2, 41, 82, 571, 1142, 20939, 23411, 41878, 46822, 858499, 1716998, 11956169, 23912338, 490202929, 980405858]

約数ペア:

[(1, 980405858), (2, 490202929), (41, 23912338), (82, 11956169), (571, 1716998), (1142, 858499), (20939, 46822), (23411, 41878)]