389699401

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{3203}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 490904064

約数和(自身を除く): 101204663

約数列:

[1, 7, 13, 49, 91, 191, 637, 1337, 2483, 3203, 9359, 17381, 22421, 41639, 121667, 156947, 291473, 611773, 2040311, 4282411, 7953049, 29976877, 55671343, 389699401]

約数ペア:

[(1, 389699401), (7, 55671343), (13, 29976877), (49, 7953049), (91, 4282411), (191, 2040311), (637, 611773), (1337, 291473), (2483, 156947), (3203, 121667), (9359, 41639), (17381, 22421)]