645403024

素因数分解:

$2^4\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{2689}}^1$

素因数の和:4847

約数の個数: 40

約数和(自身を含む): 1430305280

約数和(自身を除く): 784902256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2143, 2689, 4286, 5378, 8572, 10756, 15001, 17144, 18823, 21512, 30002, 34288, 37646, 43024, 60004, 75292, 120008, 150584, 240016, 301168, 5762527, 11525054, 23050108, 40337689, 46100216, 80675378, 92200432, 161350756, 322701512, 645403024]

約数ペア:

[(1, 645403024), (2, 322701512), (4, 161350756), (7, 92200432), (8, 80675378), (14, 46100216), (16, 40337689), (28, 23050108), (56, 11525054), (112, 5762527), (2143, 301168), (2689, 240016), (4286, 150584), (5378, 120008), (8572, 75292), (10756, 60004), (15001, 43024), (17144, 37646), (18823, 34288), (21512, 30002)]