399184436

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{200797}}^1$

素因数の和:200879

約数の個数: 24

約数和(自身を含む): 809617536

約数和(自身を除く): 410433100

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 200797, 401594, 803188, 1405579, 2811158, 5622316, 14256587, 28513174, 57026348, 99796109, 199592218, 399184436]

約数ペア:

[(1, 399184436), (2, 199592218), (4, 99796109), (7, 57026348), (14, 28513174), (28, 14256587), (71, 5622316), (142, 2811158), (284, 1405579), (497, 803188), (994, 401594), (1988, 200797)]