398812675

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{1913}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 512645760

約数和(自身を除く): 113833085

約数列:

[1, 5, 25, 31, 155, 269, 775, 1345, 1913, 6725, 8339, 9565, 41695, 47825, 59303, 208475, 296515, 514597, 1482575, 2572985, 12864925, 15952507, 79762535, 398812675]

約数ペア:

[(1, 398812675), (5, 79762535), (25, 15952507), (31, 12864925), (155, 2572985), (269, 1482575), (775, 514597), (1345, 296515), (1913, 208475), (6725, 59303), (8339, 47825), (9565, 41695)]