256504296

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{628687}}^1$

素因数の和:628713

約数の個数: 32

約数和(自身を含む): 678983040

約数和(自身を除く): 422478744

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 628687, 1257374, 1886061, 2514748, 3772122, 5029496, 7544244, 10687679, 15088488, 21375358, 32063037, 42750716, 64126074, 85501432, 128252148, 256504296]

約数ペア:

[(1, 256504296), (2, 128252148), (3, 85501432), (4, 64126074), (6, 42750716), (8, 32063037), (12, 21375358), (17, 15088488), (24, 10687679), (34, 7544244), (51, 5029496), (68, 3772122), (102, 2514748), (136, 1886061), (204, 1257374), (408, 628687)]