278360908

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{11821}}^1$

素因数の和:11890

約数の個数: 36

約数和(自身を含む): 576629872

約数和(自身を除く): 298268964

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 841, 1682, 3364, 5887, 11774, 11821, 23548, 23642, 47284, 82747, 165494, 330988, 342809, 685618, 1371236, 2399663, 4799326, 9598652, 9941461, 19882922, 39765844, 69590227, 139180454, 278360908]

約数ペア:

[(1, 278360908), (2, 139180454), (4, 69590227), (7, 39765844), (14, 19882922), (28, 9941461), (29, 9598652), (58, 4799326), (116, 2399663), (203, 1371236), (406, 685618), (812, 342809), (841, 330988), (1682, 165494), (3364, 82747), (5887, 47284), (11774, 23642), (11821, 23548)]