1902719

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 2489760

約数和(自身を除く): 587041

約数列:

[1, 7, 13, 29, 49, 91, 103, 203, 377, 637, 721, 1339, 1421, 2639, 2987, 5047, 9373, 18473, 20909, 38831, 65611, 146363, 271817, 1902719]

約数ペア:

[(1, 1902719), (7, 271817), (13, 146363), (29, 65611), (49, 38831), (91, 20909), (103, 18473), (203, 9373), (377, 5047), (637, 2987), (721, 2639), (1339, 1421)]