39981227

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 10338133

約数列:

[1, 11, 13, 29, 31, 143, 311, 319, 341, 377, 403, 899, 3421, 4043, 4147, 4433, 9019, 9641, 9889, 11687, 44473, 99209, 106051, 117247, 125333, 128557, 279589, 1289717, 1378663, 3075479, 3634657, 39981227]

約数ペア:

[(1, 39981227), (11, 3634657), (13, 3075479), (29, 1378663), (31, 1289717), (143, 279589), (311, 128557), (319, 125333), (341, 117247), (377, 106051), (403, 99209), (899, 44473), (3421, 11687), (4043, 9889), (4147, 9641), (4433, 9019)]