2019921591005

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{44447609}}^1$

素因数の和:44447824

約数の個数: 16

約数和(自身を含む): 2480176638000

約数和(自身を除く): 460255046995

約数列:

[1, 5, 61, 149, 305, 745, 9089, 45445, 44447609, 222238045, 2711304149, 6622693741, 13556520745, 33113468705, 403984318201, 2019921591005]

約数ペア:

[(1, 2019921591005), (5, 403984318201), (61, 33113468705), (149, 13556520745), (305, 6622693741), (745, 2711304149), (9089, 222238045), (45445, 44447609)]