15640765

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 23030784

約数和(自身を除く): 7390019

約数列:

[1, 5, 7, 17, 35, 85, 97, 119, 271, 485, 595, 679, 1355, 1649, 1897, 3395, 4607, 8245, 9485, 11543, 23035, 26287, 32249, 57715, 131435, 161245, 184009, 446879, 920045, 2234395, 3128153, 15640765]

約数ペア:

[(1, 15640765), (5, 3128153), (7, 2234395), (17, 920045), (35, 446879), (85, 184009), (97, 161245), (119, 131435), (271, 57715), (485, 32249), (595, 26287), (679, 23035), (1355, 11543), (1649, 9485), (1897, 8245), (3395, 4607)]