257820208

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{2879}}^1$

素因数の和:3109

約数の個数: 40

約数和(自身を含む): 519609600

約数和(自身を除く): 261789392

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 193, 232, 386, 464, 772, 1544, 2879, 3088, 5597, 5758, 11194, 11516, 22388, 23032, 44776, 46064, 83491, 89552, 166982, 333964, 555647, 667928, 1111294, 1335856, 2222588, 4445176, 8890352, 16113763, 32227526, 64455052, 128910104, 257820208]

約数ペア:

[(1, 257820208), (2, 128910104), (4, 64455052), (8, 32227526), (16, 16113763), (29, 8890352), (58, 4445176), (116, 2222588), (193, 1335856), (232, 1111294), (386, 667928), (464, 555647), (772, 333964), (1544, 166982), (2879, 89552), (3088, 83491), (5597, 46064), (5758, 44776), (11194, 23032), (11516, 22388)]