172021808

素因数分解:

$2^4\times 7^1\times {\mathrm{1535909}}^1$

素因数の和:1535924

約数の個数: 20

約数和(自身を含む): 380905680

約数和(自身を除く): 208883872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1535909, 3071818, 6143636, 10751363, 12287272, 21502726, 24574544, 43005452, 86010904, 172021808]

約数ペア:

[(1, 172021808), (2, 86010904), (4, 43005452), (7, 24574544), (8, 21502726), (14, 12287272), (16, 10751363), (28, 6143636), (56, 3071818), (112, 1535909)]