28780455613

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{674347}}^1$

素因数の和:674441

約数の個数: 24

約数和(自身を含む): 36592819872

約数和(自身を除く): 7812364259

約数列:

[1, 7, 13, 49, 67, 91, 469, 637, 871, 3283, 6097, 42679, 674347, 4720429, 8766511, 33043003, 45181249, 61365577, 316268743, 429559039, 587356237, 2213881201, 4111493659, 28780455613]

約数ペア:

[(1, 28780455613), (7, 4111493659), (13, 2213881201), (49, 587356237), (67, 429559039), (91, 316268743), (469, 61365577), (637, 45181249), (871, 33043003), (3283, 8766511), (6097, 4720429), (42679, 674347)]