258731638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{18121}}^1$

素因数の和:18204

約数の個数: 24

約数和(自身を含む): 433840680

約数和(自身を除く): 175109042

約数列:

[1, 2, 11, 22, 59, 118, 121, 242, 649, 1298, 7139, 14278, 18121, 36242, 199331, 398662, 1069139, 2138278, 2192641, 4385282, 11760529, 23521058, 129365819, 258731638]

約数ペア:

[(1, 258731638), (2, 129365819), (11, 23521058), (22, 11760529), (59, 4385282), (118, 2192641), (121, 2138278), (242, 1069139), (649, 398662), (1298, 199331), (7139, 36242), (14278, 18121)]