38129648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 76291248

約数和(自身を除く): 38161600

約数列:

[1, 2, 4, 8, 16, 43, 86, 157, 172, 314, 344, 353, 628, 688, 706, 1256, 1412, 2512, 2824, 5648, 6751, 13502, 15179, 27004, 30358, 54008, 55421, 60716, 108016, 110842, 121432, 221684, 242864, 443368, 886736, 2383103, 4766206, 9532412, 19064824, 38129648]

約数ペア:

[(1, 38129648), (2, 19064824), (4, 9532412), (8, 4766206), (16, 2383103), (43, 886736), (86, 443368), (157, 242864), (172, 221684), (314, 121432), (344, 110842), (353, 108016), (628, 60716), (688, 55421), (706, 54008), (1256, 30358), (1412, 27004), (2512, 15179), (2824, 13502), (5648, 6751)]