1171219805

素因数分解:

$5^1\times 7^4\times {\mathrm{97561}}^1$

素因数の和:97594

約数の個数: 20

約数和(自身を含む): 1639626972

約数和(自身を除く): 468407167

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 97561, 487805, 682927, 3414635, 4780489, 23902445, 33463423, 167317115, 234243961, 1171219805]

約数ペア:

[(1, 1171219805), (5, 234243961), (7, 167317115), (35, 33463423), (49, 23902445), (245, 4780489), (343, 3414635), (1715, 682927), (2401, 487805), (12005, 97561)]