221819216

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 436353024

約数和(自身を除く): 214533808

約数列:

[1, 2, 4, 8, 16, 127, 173, 254, 346, 508, 631, 692, 1016, 1262, 1384, 2032, 2524, 2768, 5048, 10096, 21971, 43942, 80137, 87884, 109163, 160274, 175768, 218326, 320548, 351536, 436652, 641096, 873304, 1282192, 1746608, 13863701, 27727402, 55454804, 110909608, 221819216]

約数ペア:

[(1, 221819216), (2, 110909608), (4, 55454804), (8, 27727402), (16, 13863701), (127, 1746608), (173, 1282192), (254, 873304), (346, 641096), (508, 436652), (631, 351536), (692, 320548), (1016, 218326), (1262, 175768), (1384, 160274), (2032, 109163), (2524, 87884), (2768, 80137), (5048, 43942), (10096, 21971)]