221361284

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{3613}}^1$

素因数の和:3704

約数の個数: 36

約数和(自身を含む): 419390244

約数和(自身を除く): 198028960

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 289, 578, 901, 1156, 1802, 3604, 3613, 7226, 14452, 15317, 30634, 61268, 61421, 122842, 191489, 245684, 382978, 765956, 1044157, 2088314, 3255313, 4176628, 6510626, 13021252, 55340321, 110680642, 221361284]

約数ペア:

[(1, 221361284), (2, 110680642), (4, 55340321), (17, 13021252), (34, 6510626), (53, 4176628), (68, 3255313), (106, 2088314), (212, 1044157), (289, 765956), (578, 382978), (901, 245684), (1156, 191489), (1802, 122842), (3604, 61421), (3613, 61268), (7226, 30634), (14452, 15317)]