28801976

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 65249280

約数和(自身を除く): 36447304

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 248, 329, 353, 376, 434, 658, 706, 868, 1316, 1412, 1457, 1736, 2471, 2632, 2824, 2914, 4942, 5828, 9884, 10199, 10943, 11656, 16591, 19768, 20398, 21886, 33182, 40796, 43772, 66364, 76601, 81592, 87544, 116137, 132728, 153202, 232274, 306404, 464548, 514321, 612808, 929096, 1028642, 2057284, 3600247, 4114568, 7200494, 14400988, 28801976]

約数ペア:

[(1, 28801976), (2, 14400988), (4, 7200494), (7, 4114568), (8, 3600247), (14, 2057284), (28, 1028642), (31, 929096), (47, 612808), (56, 514321), (62, 464548), (94, 306404), (124, 232274), (188, 153202), (217, 132728), (248, 116137), (329, 87544), (353, 81592), (376, 76601), (434, 66364), (658, 43772), (706, 40796), (868, 33182), (1316, 21886), (1412, 20398), (1457, 19768), (1736, 16591), (2471, 11656), (2632, 10943), (2824, 10199), (2914, 9884), (4942, 5828)]