78555891

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{11897}}^1$

素因数の和:12002

約数の個数: 16

約数和(自身を含む): 109651968

約数和(自身を除く): 31096077

約数列:

[1, 3, 31, 71, 93, 213, 2201, 6603, 11897, 35691, 368807, 844687, 1106421, 2534061, 26185297, 78555891]

約数ペア:

[(1, 78555891), (3, 26185297), (31, 2534061), (71, 1106421), (93, 844687), (213, 368807), (2201, 35691), (6603, 11897)]