221400424

素因数分解:

$2^3\times 7^2\times {\mathrm{564797}}^1$

素因数の和:564817

約数の個数: 24

約数和(自身を含む): 482902290

約数和(自身を除く): 261501866

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 564797, 1129594, 2259188, 3953579, 4518376, 7907158, 15814316, 27675053, 31628632, 55350106, 110700212, 221400424]

約数ペア:

[(1, 221400424), (2, 110700212), (4, 55350106), (7, 31628632), (8, 27675053), (14, 15814316), (28, 7907158), (49, 4518376), (56, 3953579), (98, 2259188), (196, 1129594), (392, 564797)]