81901808

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{28597}}^1$

素因数の和:28784

約数の個数: 20

約数和(自身を含む): 159576840

約数和(自身を除く): 77675032

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 28597, 57194, 114388, 228776, 457552, 5118863, 10237726, 20475452, 40950904, 81901808]

約数ペア:

[(1, 81901808), (2, 40950904), (4, 20475452), (8, 10237726), (16, 5118863), (179, 457552), (358, 228776), (716, 114388), (1432, 57194), (2864, 28597)]