81489904

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{8951}}^1$

素因数の和:9528

約数の個数: 20

約数和(自身を含む): 158181840

約数和(自身を除く): 76691936

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 4552, 8951, 9104, 17902, 35804, 71608, 143216, 5093119, 10186238, 20372476, 40744952, 81489904]

約数ペア:

[(1, 81489904), (2, 40744952), (4, 20372476), (8, 10186238), (16, 5093119), (569, 143216), (1138, 71608), (2276, 35804), (4552, 17902), (8951, 9104)]