81384704

素因数分解:

$2^8\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1510

約数の個数: 36

約数和(自身を含む): 163215444

約数和(自身を除く): 81830740

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 257, 514, 1028, 1237, 2056, 2474, 4112, 4948, 8224, 9896, 16448, 19792, 32896, 39584, 65792, 79168, 158336, 316672, 317909, 635818, 1271636, 2543272, 5086544, 10173088, 20346176, 40692352, 81384704]

約数ペア:

[(1, 81384704), (2, 40692352), (4, 20346176), (8, 10173088), (16, 5086544), (32, 2543272), (64, 1271636), (128, 635818), (256, 317909), (257, 316672), (514, 158336), (1028, 79168), (1237, 65792), (2056, 39584), (2474, 32896), (4112, 19792), (4948, 16448), (8224, 9896)]