81831228

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 194574240

約数和(自身を除く): 112743012

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 193, 267, 356, 386, 397, 534, 579, 772, 794, 1068, 1158, 1191, 1588, 2316, 2382, 4764, 17177, 34354, 35333, 51531, 68708, 70666, 76621, 103062, 105999, 141332, 153242, 206124, 211998, 229863, 306484, 423996, 459726, 919452, 6819269, 13638538, 20457807, 27277076, 40915614, 81831228]

約数ペア:

[(1, 81831228), (2, 40915614), (3, 27277076), (4, 20457807), (6, 13638538), (12, 6819269), (89, 919452), (178, 459726), (193, 423996), (267, 306484), (356, 229863), (386, 211998), (397, 206124), (534, 153242), (579, 141332), (772, 105999), (794, 103062), (1068, 76621), (1158, 70666), (1191, 68708), (1588, 51531), (2316, 35333), (2382, 34354), (4764, 17177)]