1137721808

素因数分解:

$2^4\times {\mathrm{2557}}^1\times {\mathrm{27809}}^1$

素因数の和:30374

約数の個数: 20

約数和(自身を含む): 2205277380

約数和(自身を除く): 1067555572

約数列:

[1, 2, 4, 8, 16, 2557, 5114, 10228, 20456, 27809, 40912, 55618, 111236, 222472, 444944, 71107613, 142215226, 284430452, 568860904, 1137721808]

約数ペア:

[(1, 1137721808), (2, 568860904), (4, 284430452), (8, 142215226), (16, 71107613), (2557, 444944), (5114, 222472), (10228, 111236), (20456, 55618), (27809, 40912)]