28553390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2243}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 54933120

約数和(自身を除く): 26379730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2243, 2546, 4486, 6365, 11215, 12730, 22430, 42617, 85234, 150281, 213085, 300562, 426170, 751405, 1502810, 2855339, 5710678, 14276695, 28553390]

約数ペア:

[(1, 28553390), (2, 14276695), (5, 5710678), (10, 2855339), (19, 1502810), (38, 751405), (67, 426170), (95, 300562), (134, 213085), (190, 150281), (335, 85234), (670, 42617), (1273, 22430), (2243, 12730), (2546, 11215), (4486, 6365)]