28370251

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4391}}^1$

素因数の和:4482

約数の個数: 16

約数和(自身を含む): 35417088

約数和(自身を除く): 7046837

約数列:

[1, 7, 13, 71, 91, 497, 923, 4391, 6461, 30737, 57083, 311761, 399581, 2182327, 4052893, 28370251]

約数ペア:

[(1, 28370251), (7, 4052893), (13, 2182327), (71, 399581), (91, 311761), (497, 57083), (923, 30737), (4391, 6461)]