321328

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 753920

約数和(自身を除く): 432592

約数列:

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

約数ペア:

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