7977910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 15264000

約数和(自身を除く): 7286090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 211, 398, 422, 995, 1055, 1990, 2110, 3781, 4009, 7562, 8018, 18905, 20045, 37810, 40090, 41989, 83978, 209945, 419890, 797791, 1595582, 3988955, 7977910]

約数ペア:

[(1, 7977910), (2, 3988955), (5, 1595582), (10, 797791), (19, 419890), (38, 209945), (95, 83978), (190, 41989), (199, 40090), (211, 37810), (398, 20045), (422, 18905), (995, 8018), (1055, 7562), (1990, 4009), (2110, 3781)]