642656

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 1532160

約数和(自身を除く): 889504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 151, 152, 224, 266, 302, 304, 532, 604, 608, 1057, 1064, 1208, 2114, 2128, 2416, 2869, 4228, 4256, 4832, 5738, 8456, 11476, 16912, 20083, 22952, 33824, 40166, 45904, 80332, 91808, 160664, 321328, 642656]

約数ペア:

[(1, 642656), (2, 321328), (4, 160664), (7, 91808), (8, 80332), (14, 45904), (16, 40166), (19, 33824), (28, 22952), (32, 20083), (38, 16912), (56, 11476), (76, 8456), (112, 5738), (133, 4832), (151, 4256), (152, 4228), (224, 2869), (266, 2416), (302, 2128), (304, 2114), (532, 1208), (604, 1064), (608, 1057)]