2039245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 2666160

約数和(自身を除く): 626915

約数列:

[1, 5, 13, 65, 137, 229, 685, 1145, 1781, 2977, 8905, 14885, 31373, 156865, 407849, 2039245]

約数ペア:

[(1, 2039245), (5, 407849), (13, 156865), (65, 31373), (137, 14885), (229, 8905), (685, 2977), (1145, 1781)]