1320683315

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{1907}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 1855125504

約数和(自身を除く): 534442189

約数列:

[1, 5, 7, 35, 47, 235, 329, 421, 1645, 1907, 2105, 2947, 9535, 13349, 14735, 19787, 66745, 89629, 98935, 138509, 448145, 627403, 692545, 802847, 3137015, 4014235, 5619929, 28099645, 37733809, 188669045, 264136663, 1320683315]

約数ペア:

[(1, 1320683315), (5, 264136663), (7, 188669045), (35, 37733809), (47, 28099645), (235, 5619929), (329, 4014235), (421, 3137015), (1645, 802847), (1907, 692545), (2105, 627403), (2947, 448145), (9535, 138509), (13349, 98935), (14735, 89629), (19787, 66745)]