668213728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229469}}^1$

素因数の和:229499

約数の個数: 48

約数和(自身を含む): 1619140320

約数和(自身を除く): 950926592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 229469, 458938, 917876, 1606283, 1835752, 2983097, 3212566, 3671504, 5966194, 6425132, 7343008, 11932388, 12850264, 20881679, 23864776, 25700528, 41763358, 47729552, 51401056, 83526716, 95459104, 167053432, 334106864, 668213728]

約数ペア:

[(1, 668213728), (2, 334106864), (4, 167053432), (7, 95459104), (8, 83526716), (13, 51401056), (14, 47729552), (16, 41763358), (26, 25700528), (28, 23864776), (32, 20881679), (52, 12850264), (56, 11932388), (91, 7343008), (104, 6425132), (112, 5966194), (182, 3671504), (208, 3212566), (224, 2983097), (364, 1835752), (416, 1606283), (728, 917876), (1456, 458938), (2912, 229469)]