31399823

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3877}}^1$

素因数の和:3986

約数の個数: 16

約数和(自身を含む): 39090240

約数和(自身を除く): 7690417

約数列:

[1, 7, 13, 89, 91, 623, 1157, 3877, 8099, 27139, 50401, 345053, 352807, 2415371, 4485689, 31399823]

約数ペア:

[(1, 31399823), (7, 4485689), (13, 2415371), (89, 352807), (91, 345053), (623, 50401), (1157, 27139), (3877, 8099)]