219555712

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{8707}}^1$

素因数の和:8918

約数の個数: 32

約数和(自身を含む): 439666920

約数和(自身を除く): 220111208

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 1576, 3152, 6304, 8707, 12608, 17414, 25216, 34828, 69656, 139312, 278624, 557248, 1114496, 1715279, 3430558, 6861116, 13722232, 27444464, 54888928, 109777856, 219555712]

約数ペア:

[(1, 219555712), (2, 109777856), (4, 54888928), (8, 27444464), (16, 13722232), (32, 6861116), (64, 3430558), (128, 1715279), (197, 1114496), (394, 557248), (788, 278624), (1576, 139312), (3152, 69656), (6304, 34828), (8707, 25216), (12608, 17414)]