388614657

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 554398720

約数和(自身を除く): 165784063

約数列:

[1, 3, 19, 57, 151, 163, 277, 453, 489, 831, 2869, 3097, 5263, 8607, 9291, 15789, 24613, 41827, 45151, 73839, 125481, 135453, 467647, 794713, 857869, 1402941, 2384139, 2573607, 6817801, 20453403, 129538219, 388614657]

約数ペア:

[(1, 388614657), (3, 129538219), (19, 20453403), (57, 6817801), (151, 2573607), (163, 2384139), (277, 1402941), (453, 857869), (489, 794713), (831, 467647), (2869, 135453), (3097, 125481), (5263, 73839), (8607, 45151), (9291, 41827), (15789, 24613)]