195978839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 248054400

約数和(自身を除く): 52075561

約数列:

[1, 7, 17, 29, 109, 119, 203, 493, 521, 763, 1853, 3161, 3451, 3647, 8857, 12971, 15109, 22127, 53737, 56789, 61999, 105763, 256853, 376159, 397523, 965413, 1646881, 1797971, 6757891, 11528167, 27996977, 195978839]

約数ペア:

[(1, 195978839), (7, 27996977), (17, 11528167), (29, 6757891), (109, 1797971), (119, 1646881), (203, 965413), (493, 397523), (521, 376159), (763, 256853), (1853, 105763), (3161, 61999), (3451, 56789), (3647, 53737), (8857, 22127), (12971, 15109)]