81008495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{18143}}^1$

素因数の和:18214

約数の個数: 16

約数和(自身を含む): 104509440

約数和(自身を除く): 23500945

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 18143, 90715, 344717, 852721, 1723585, 4263605, 16201699, 81008495]

約数ペア:

[(1, 81008495), (5, 16201699), (19, 4263605), (47, 1723585), (95, 852721), (235, 344717), (893, 90715), (4465, 18143)]