640607072

素因数分解:

$2^5\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6793}}^1$

素因数の和:7231

約数の個数: 48

約数和(自身を含む): 1445002272

約数和(自身を除く): 804395200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 421, 842, 1684, 2947, 3368, 5894, 6736, 6793, 11788, 13472, 13586, 23576, 27172, 47152, 47551, 54344, 94304, 95102, 108688, 190204, 217376, 380408, 760816, 1521632, 2859853, 5719706, 11439412, 20018971, 22878824, 40037942, 45757648, 80075884, 91515296, 160151768, 320303536, 640607072]

約数ペア:

[(1, 640607072), (2, 320303536), (4, 160151768), (7, 91515296), (8, 80075884), (14, 45757648), (16, 40037942), (28, 22878824), (32, 20018971), (56, 11439412), (112, 5719706), (224, 2859853), (421, 1521632), (842, 760816), (1684, 380408), (2947, 217376), (3368, 190204), (5894, 108688), (6736, 95102), (6793, 94304), (11788, 54344), (13472, 47551), (13586, 47152), (23576, 27172)]