221345542

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 389896416

約数和(自身を除く): 168550874

約数列:

[1, 2, 11, 17, 22, 34, 121, 173, 187, 242, 311, 346, 374, 622, 1903, 2057, 2941, 3421, 3806, 4114, 5287, 5882, 6842, 10574, 20933, 32351, 37631, 41866, 53803, 58157, 64702, 75262, 107606, 116314, 355861, 591833, 639727, 711722, 914651, 1183666, 1279454, 1829302, 6510163, 10061161, 13020326, 20122322, 110672771, 221345542]

約数ペア:

[(1, 221345542), (2, 110672771), (11, 20122322), (17, 13020326), (22, 10061161), (34, 6510163), (121, 1829302), (173, 1279454), (187, 1183666), (242, 914651), (311, 711722), (346, 639727), (374, 591833), (622, 355861), (1903, 116314), (2057, 107606), (2941, 75262), (3421, 64702), (3806, 58157), (4114, 53803), (5287, 41866), (5882, 37631), (6842, 32351), (10574, 20933)]