317156987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 393984000

約数和(自身を除く): 76827013

約数列:

[1, 7, 19, 47, 113, 133, 329, 449, 791, 893, 2147, 3143, 5311, 6251, 8531, 15029, 21103, 37177, 50737, 59717, 100909, 147721, 355159, 400957, 706363, 964003, 2384639, 2806699, 6748021, 16692473, 45308141, 317156987]

約数ペア:

[(1, 317156987), (7, 45308141), (19, 16692473), (47, 6748021), (113, 2806699), (133, 2384639), (329, 964003), (449, 706363), (791, 400957), (893, 355159), (2147, 147721), (3143, 100909), (5311, 59717), (6251, 50737), (8531, 37177), (15029, 21103)]