978244990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3155629}}^1$

素因数の和:3155667

約数の個数: 16

約数和(自身を含む): 1817642880

約数和(自身を除く): 839397890

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 3155629, 6311258, 15778145, 31556290, 97824499, 195648998, 489122495, 978244990]

約数ペア:

[(1, 978244990), (2, 489122495), (5, 195648998), (10, 97824499), (31, 31556290), (62, 15778145), (155, 6311258), (310, 3155629)]