131494448

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 262788240

約数和(自身を除く): 131293792

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 389, 571, 592, 778, 1142, 1556, 2284, 3112, 4568, 6224, 9136, 14393, 21127, 28786, 42254, 57572, 84508, 115144, 169016, 222119, 230288, 338032, 444238, 888476, 1776952, 3553904, 8218403, 16436806, 32873612, 65747224, 131494448]

約数ペア:

[(1, 131494448), (2, 65747224), (4, 32873612), (8, 16436806), (16, 8218403), (37, 3553904), (74, 1776952), (148, 888476), (296, 444238), (389, 338032), (571, 230288), (592, 222119), (778, 169016), (1142, 115144), (1556, 84508), (2284, 57572), (3112, 42254), (4568, 28786), (6224, 21127), (9136, 14393)]