2161862965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{340183}}^1$

素因数の和:340260

約数の個数: 16

約数和(自身を含む): 2743243776

約数和(自身を除く): 581380811

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 340183, 1700915, 10545673, 13947503, 52728365, 69737515, 432372593, 2161862965]

約数ペア:

[(1, 2161862965), (5, 432372593), (31, 69737515), (41, 52728365), (155, 13947503), (205, 10545673), (1271, 1700915), (6355, 340183)]