426669985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{15649}}^1$

素因数の和:15721

約数の個数: 32

約数和(自身を含む): 631008000

約数和(自身を除く): 204338015

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1435, 3895, 5453, 15649, 27265, 78245, 109543, 297331, 547715, 641609, 1486655, 2081317, 3208045, 4491263, 10406585, 12190571, 22456315, 60952855, 85333997, 426669985]

約数ペア:

[(1, 426669985), (5, 85333997), (7, 60952855), (19, 22456315), (35, 12190571), (41, 10406585), (95, 4491263), (133, 3208045), (205, 2081317), (287, 1486655), (665, 641609), (779, 547715), (1435, 297331), (3895, 109543), (5453, 78245), (15649, 27265)]