81479248

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{221411}}^1$

素因数の和:221442

約数の個数: 20

約数和(自身を含む): 164730528

約数和(自身を除く): 83251280

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 221411, 442822, 885644, 1771288, 3542576, 5092453, 10184906, 20369812, 40739624, 81479248]

約数ペア:

[(1, 81479248), (2, 40739624), (4, 20369812), (8, 10184906), (16, 5092453), (23, 3542576), (46, 1771288), (92, 885644), (184, 442822), (368, 221411)]