257335670

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 473387328

約数和(自身を除く): 216051658

約数列:

[1, 2, 5, 10, 53, 106, 265, 487, 530, 974, 997, 1994, 2435, 4870, 4985, 9970, 25811, 51622, 52841, 105682, 129055, 258110, 264205, 485539, 528410, 971078, 2427695, 4855390, 25733567, 51467134, 128667835, 257335670]

約数ペア:

[(1, 257335670), (2, 128667835), (5, 51467134), (10, 25733567), (53, 4855390), (106, 2427695), (265, 971078), (487, 528410), (530, 485539), (974, 264205), (997, 258110), (1994, 129055), (2435, 105682), (4870, 52841), (4985, 51622), (9970, 25811)]