289780316

素因数分解:

$2^2\times 7^2\times {\mathrm{1478471}}^1$

素因数の和:1478489

約数の個数: 18

約数和(自身を含む): 589910328

約数和(自身を除く): 300130012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1478471, 2956942, 5913884, 10349297, 20698594, 41397188, 72445079, 144890158, 289780316]

約数ペア:

[(1, 289780316), (2, 144890158), (4, 72445079), (7, 41397188), (14, 20698594), (28, 10349297), (49, 5913884), (98, 2956942), (196, 1478471)]