38789569

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 51093504

約数和(自身を除く): 12303935

約数列:

[1, 7, 13, 23, 43, 91, 161, 299, 301, 431, 559, 989, 2093, 3017, 3913, 5603, 6923, 9913, 12857, 18533, 39221, 69391, 89999, 128869, 129731, 240929, 426259, 902083, 1686503, 2983813, 5541367, 38789569]

約数ペア:

[(1, 38789569), (7, 5541367), (13, 2983813), (23, 1686503), (43, 902083), (91, 426259), (161, 240929), (299, 129731), (301, 128869), (431, 89999), (559, 69391), (989, 39221), (2093, 18533), (3017, 12857), (3913, 9913), (5603, 6923)]