128563604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{66821}}^1$

素因数の和:66875

約数の個数: 24

約数和(自身を含む): 248845128

約数和(自身を除く): 120281524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 66821, 133642, 267284, 868673, 1737346, 2472377, 3474692, 4944754, 9889508, 32140901, 64281802, 128563604]

約数ペア:

[(1, 128563604), (2, 64281802), (4, 32140901), (13, 9889508), (26, 4944754), (37, 3474692), (52, 2472377), (74, 1737346), (148, 868673), (481, 267284), (962, 133642), (1924, 66821)]