81045728

素因数分解:

$2^5\times {\mathrm{557}}^1\times {\mathrm{4547}}^1$

素因数の和:5114

約数の個数: 24

約数和(自身を含む): 159880392

約数和(自身を除く): 78834664

約数列:

[1, 2, 4, 8, 16, 32, 557, 1114, 2228, 4456, 4547, 8912, 9094, 17824, 18188, 36376, 72752, 145504, 2532679, 5065358, 10130716, 20261432, 40522864, 81045728]

約数ペア:

[(1, 81045728), (2, 40522864), (4, 20261432), (8, 10130716), (16, 5065358), (32, 2532679), (557, 145504), (1114, 72752), (2228, 36376), (4456, 18188), (4547, 17824), (8912, 9094)]