388033009

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2887}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 488580288

約数和(自身を除く): 100547279

約数列:

[1, 7, 13, 49, 91, 211, 637, 1477, 2743, 2887, 10339, 19201, 20209, 37531, 134407, 141463, 262717, 609157, 1839019, 4264099, 7919041, 29848693, 55433287, 388033009]

約数ペア:

[(1, 388033009), (7, 55433287), (13, 29848693), (49, 7919041), (91, 4264099), (211, 1839019), (637, 609157), (1477, 262717), (2743, 141463), (2887, 134407), (10339, 37531), (19201, 20209)]