221369953

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{6173}}^1$

素因数の和:6336

約数の個数: 16

約数和(自身を含む): 260789760

約数和(自身を除く): 39419807

約数列:

[1, 7, 47, 109, 329, 763, 5123, 6173, 35861, 43211, 290131, 672857, 2030917, 4709999, 31624279, 221369953]

約数ペア:

[(1, 221369953), (7, 31624279), (47, 4709999), (109, 2030917), (329, 672857), (763, 290131), (5123, 43211), (6173, 35861)]