81907456

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{10321}}^1$

素因数の和:10368

約数の個数: 36

約数和(自身を含む): 168785344

約数和(自身を除く): 86877888

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 10321, 20642, 41284, 82568, 165136, 319951, 330272, 639902, 660544, 1279804, 1321088, 2559608, 2642176, 5119216, 10238432, 20476864, 40953728, 81907456]

約数ペア:

[(1, 81907456), (2, 40953728), (4, 20476864), (8, 10238432), (16, 5119216), (31, 2642176), (32, 2559608), (62, 1321088), (64, 1279804), (124, 660544), (128, 639902), (248, 330272), (256, 319951), (496, 165136), (992, 82568), (1984, 41284), (3968, 20642), (7936, 10321)]