221255678

素因数分解:

$2^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{9859}}^1$

素因数の和:10104

約数の個数: 24

約数和(自身を含む): 387793800

約数和(自身を除く): 166538122

約数列:

[1, 2, 7, 14, 49, 98, 229, 458, 1603, 3206, 9859, 11221, 19718, 22442, 69013, 138026, 483091, 966182, 2257711, 4515422, 15803977, 31607954, 110627839, 221255678]

約数ペア:

[(1, 221255678), (2, 110627839), (7, 31607954), (14, 15803977), (49, 4515422), (98, 2257711), (229, 966182), (458, 483091), (1603, 138026), (3206, 69013), (9859, 22442), (11221, 19718)]