281728

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 32

約数和(自身を含む): 587520

約数和(自身を除く): 305792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 284, 496, 568, 992, 1136, 1984, 2201, 2272, 3968, 4402, 4544, 8804, 9088, 17608, 35216, 70432, 140864, 281728]

約数ペア:

[(1, 281728), (2, 140864), (4, 70432), (8, 35216), (16, 17608), (31, 9088), (32, 8804), (62, 4544), (64, 4402), (71, 3968), (124, 2272), (128, 2201), (142, 1984), (248, 1136), (284, 992), (496, 568)]