1261567376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{911}}^1\times {\mathrm{2111}}^1$

素因数の和:3071

約数の個数: 40

約数和(自身を含む): 2507839488

約数和(自身を除く): 1246272112

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 911, 1822, 2111, 3644, 4222, 7288, 8444, 14576, 16888, 33776, 37351, 74702, 86551, 149404, 173102, 298808, 346204, 597616, 692408, 1384816, 1923121, 3846242, 7692484, 15384968, 30769936, 78847961, 157695922, 315391844, 630783688, 1261567376]

約数ペア:

[(1, 1261567376), (2, 630783688), (4, 315391844), (8, 157695922), (16, 78847961), (41, 30769936), (82, 15384968), (164, 7692484), (328, 3846242), (656, 1923121), (911, 1384816), (1822, 692408), (2111, 597616), (3644, 346204), (4222, 298808), (7288, 173102), (8444, 149404), (14576, 86551), (16888, 74702), (33776, 37351)]