289361912

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{14891}}^1$

素因数の和:15251

約数の個数: 32

約数和(自身を含む): 621889920

約数和(自身を除く): 332528008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1388, 2429, 2776, 4858, 9716, 14891, 19432, 29782, 59564, 104237, 119128, 208474, 416948, 833896, 5167177, 10334354, 20668708, 36170239, 41337416, 72340478, 144680956, 289361912]

約数ペア:

[(1, 289361912), (2, 144680956), (4, 72340478), (7, 41337416), (8, 36170239), (14, 20668708), (28, 10334354), (56, 5167177), (347, 833896), (694, 416948), (1388, 208474), (2429, 119128), (2776, 104237), (4858, 59564), (9716, 29782), (14891, 19432)]