121400564

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{2447}}^1$

素因数の和:2687

約数の個数: 24

約数和(自身を含む): 216599040

約数和(自身を除く): 95198476

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 2447, 4894, 9788, 12403, 24806, 49612, 193313, 384179, 386626, 768358, 773252, 1536716, 30350141, 60700282, 121400564]

約数ペア:

[(1, 121400564), (2, 60700282), (4, 30350141), (79, 1536716), (157, 773252), (158, 768358), (314, 386626), (316, 384179), (628, 193313), (2447, 49612), (4894, 24806), (9788, 12403)]