221377352

素因数分解:

$2^3\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{3259}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 474916800

約数和(自身を除く): 253539448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1213, 2426, 3259, 4852, 6518, 8491, 9704, 13036, 16982, 22813, 26072, 33964, 45626, 67928, 91252, 182504, 3953167, 7906334, 15812668, 27672169, 31625336, 55344338, 110688676, 221377352]

約数ペア:

[(1, 221377352), (2, 110688676), (4, 55344338), (7, 31625336), (8, 27672169), (14, 15812668), (28, 7906334), (56, 3953167), (1213, 182504), (2426, 91252), (3259, 67928), (4852, 45626), (6518, 33964), (8491, 26072), (9704, 22813), (13036, 16982)]