80491159

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 99348480

約数和(自身を除く): 18857321

約数列:

[1, 7, 31, 41, 83, 109, 217, 287, 581, 763, 1271, 2573, 3379, 3403, 4469, 8897, 9047, 18011, 23653, 23821, 31283, 63329, 105493, 138539, 280457, 370927, 738451, 969773, 1963199, 2596489, 11498737, 80491159]

約数ペア:

[(1, 80491159), (7, 11498737), (31, 2596489), (41, 1963199), (83, 969773), (109, 738451), (217, 370927), (287, 280457), (581, 138539), (763, 105493), (1271, 63329), (2573, 31283), (3379, 23821), (3403, 23653), (4469, 18011), (8897, 9047)]