16821470

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 14282530

約数列:

[1, 2, 5, 10, 79, 107, 158, 199, 214, 395, 398, 535, 790, 995, 1070, 1990, 8453, 15721, 16906, 21293, 31442, 42265, 42586, 78605, 84530, 106465, 157210, 212930, 1682147, 3364294, 8410735, 16821470]

約数ペア:

[(1, 16821470), (2, 8410735), (5, 3364294), (10, 1682147), (79, 212930), (107, 157210), (158, 106465), (199, 84530), (214, 78605), (395, 42586), (398, 42265), (535, 31442), (790, 21293), (995, 16906), (1070, 15721), (1990, 8453)]