291247220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1323851}}^1$

素因数の和:1323871

約数の個数: 24

約数和(自身を含む): 667221408

約数和(自身を除く): 375974188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1323851, 2647702, 5295404, 6619255, 13238510, 14562361, 26477020, 29124722, 58249444, 72811805, 145623610, 291247220]

約数ペア:

[(1, 291247220), (2, 145623610), (4, 72811805), (5, 58249444), (10, 29124722), (11, 26477020), (20, 14562361), (22, 13238510), (44, 6619255), (55, 5295404), (110, 2647702), (220, 1323851)]