31720409

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 37748736

約数和(自身を除く): 6028327

約数列:

[1, 7, 31, 127, 217, 889, 1151, 3937, 8057, 27559, 35681, 146177, 249767, 1023239, 4531487, 31720409]

約数ペア:

[(1, 31720409), (7, 4531487), (31, 1023239), (127, 249767), (217, 146177), (889, 35681), (1151, 27559), (3937, 8057)]