221497172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{43913}}^1$

素因数の和:44027

約数の個数: 24

約数和(自身を含む): 421750056

約数和(自身を除く): 200252884

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 43913, 87826, 175652, 570869, 1141738, 2283476, 4259561, 8519122, 17038244, 55374293, 110748586, 221497172]

約数ペア:

[(1, 221497172), (2, 110748586), (4, 55374293), (13, 17038244), (26, 8519122), (52, 4259561), (97, 2283476), (194, 1141738), (388, 570869), (1261, 175652), (2522, 87826), (5044, 43913)]