81223136

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 165173904

約数和(自身を除く): 83950768

約数列:

[1, 2, 4, 8, 16, 32, 53, 83, 106, 166, 212, 332, 424, 577, 664, 848, 1154, 1328, 1696, 2308, 2656, 4399, 4616, 8798, 9232, 17596, 18464, 30581, 35192, 47891, 61162, 70384, 95782, 122324, 140768, 191564, 244648, 383128, 489296, 766256, 978592, 1532512, 2538223, 5076446, 10152892, 20305784, 40611568, 81223136]

約数ペア:

[(1, 81223136), (2, 40611568), (4, 20305784), (8, 10152892), (16, 5076446), (32, 2538223), (53, 1532512), (83, 978592), (106, 766256), (166, 489296), (212, 383128), (332, 244648), (424, 191564), (577, 140768), (664, 122324), (848, 95782), (1154, 70384), (1328, 61162), (1696, 47891), (2308, 35192), (2656, 30581), (4399, 18464), (4616, 17596), (8798, 9232)]