258797644

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{18979}}^1$

素因数の和:19477

約数の個数: 24

約数和(自身を含む): 518685440

約数和(自身を除く): 259887796

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 13636, 18979, 37958, 75916, 132853, 265706, 531412, 9242773, 18485546, 36971092, 64699411, 129398822, 258797644]

約数ペア:

[(1, 258797644), (2, 129398822), (4, 64699411), (7, 36971092), (14, 18485546), (28, 9242773), (487, 531412), (974, 265706), (1948, 132853), (3409, 75916), (6818, 37958), (13636, 18979)]