38669728

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 78835680

約数和(自身を除く): 40165952

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 157, 172, 179, 314, 344, 358, 628, 688, 716, 1256, 1376, 1432, 2512, 2864, 5024, 5728, 6751, 7697, 13502, 15394, 27004, 28103, 30788, 54008, 56206, 61576, 108016, 112412, 123152, 216032, 224824, 246304, 449648, 899296, 1208429, 2416858, 4833716, 9667432, 19334864, 38669728]

約数ペア:

[(1, 38669728), (2, 19334864), (4, 9667432), (8, 4833716), (16, 2416858), (32, 1208429), (43, 899296), (86, 449648), (157, 246304), (172, 224824), (179, 216032), (314, 123152), (344, 112412), (358, 108016), (628, 61576), (688, 56206), (716, 54008), (1256, 30788), (1376, 28103), (1432, 27004), (2512, 15394), (2864, 13502), (5024, 7697), (5728, 6751)]