218680913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{10513}}^1$

素因数の和:10616

約数の個数: 16

約数和(自身を含む): 250317312

約数和(自身を除く): 31636399

約数列:

[1, 11, 31, 61, 341, 671, 1891, 10513, 20801, 115643, 325903, 641293, 3584933, 7054223, 19880083, 218680913]

約数ペア:

[(1, 218680913), (11, 19880083), (31, 7054223), (61, 3584933), (341, 641293), (671, 325903), (1891, 115643), (10513, 20801)]