81532591

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2749}}^1$

素因数の和:2998

約数の個数: 16

約数和(自身を含む): 98560000

約数和(自身を除く): 17027409

約数列:

[1, 7, 19, 133, 223, 1561, 2749, 4237, 19243, 29659, 52231, 365617, 613027, 4291189, 11647513, 81532591]

約数ペア:

[(1, 81532591), (7, 11647513), (19, 4291189), (133, 613027), (223, 365617), (1561, 52231), (2749, 29659), (4237, 19243)]