320137538

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{1009}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 556744320

約数和(自身を除く): 236606782

約数列:

[1, 2, 7, 14, 131, 173, 262, 346, 917, 1009, 1211, 1834, 2018, 2422, 7063, 14126, 22663, 45326, 132179, 158641, 174557, 264358, 317282, 349114, 925253, 1221899, 1850506, 2443798, 22866967, 45733934, 160068769, 320137538]

約数ペア:

[(1, 320137538), (2, 160068769), (7, 45733934), (14, 22866967), (131, 2443798), (173, 1850506), (262, 1221899), (346, 925253), (917, 349114), (1009, 317282), (1211, 264358), (1834, 174557), (2018, 158641), (2422, 132179), (7063, 45326), (14126, 22663)]