25987402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 21290678

約数列:

[1, 2, 7, 14, 19, 38, 133, 151, 266, 302, 647, 1057, 1294, 2114, 2869, 4529, 5738, 9058, 12293, 20083, 24586, 40166, 86051, 97697, 172102, 195394, 683879, 1367758, 1856243, 3712486, 12993701, 25987402]

約数ペア:

[(1, 25987402), (2, 12993701), (7, 3712486), (14, 1856243), (19, 1367758), (38, 683879), (133, 195394), (151, 172102), (266, 97697), (302, 86051), (647, 40166), (1057, 24586), (1294, 20083), (2114, 12293), (2869, 9058), (4529, 5738)]