81611648

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{15551}}^1$

素因数の和:15606

約数の個数: 32

約数和(自身を含む): 166561920

約数和(自身を除く): 84950272

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 15551, 31102, 62204, 124408, 248816, 497632, 637591, 995264, 1275182, 1990528, 2550364, 5100728, 10201456, 20402912, 40805824, 81611648]

約数ペア:

[(1, 81611648), (2, 40805824), (4, 20402912), (8, 10201456), (16, 5100728), (32, 2550364), (41, 1990528), (64, 1275182), (82, 995264), (128, 637591), (164, 497632), (328, 248816), (656, 124408), (1312, 62204), (2624, 31102), (5248, 15551)]