67291216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 136312704

約数和(自身を除く): 69021488

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 2081, 4042, 4162, 8084, 8324, 16168, 16648, 32336, 33296, 89483, 97807, 178966, 195614, 357932, 391228, 715864, 782456, 1431728, 1564912, 4205701, 8411402, 16822804, 33645608, 67291216]

約数ペア:

[(1, 67291216), (2, 33645608), (4, 16822804), (8, 8411402), (16, 4205701), (43, 1564912), (47, 1431728), (86, 782456), (94, 715864), (172, 391228), (188, 357932), (344, 195614), (376, 178966), (688, 97807), (752, 89483), (2021, 33296), (2081, 32336), (4042, 16648), (4162, 16168), (8084, 8324)]