81402814

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1391

約数の個数: 16

約数和(自身を含む): 123451776

約数和(自身を除く): 42048962

約数列:

[1, 2, 167, 251, 334, 502, 971, 1942, 41917, 83834, 162157, 243721, 324314, 487442, 40701407, 81402814]

約数ペア:

[(1, 81402814), (2, 40701407), (167, 487442), (251, 324314), (334, 243721), (502, 162157), (971, 83834), (1942, 41917)]