1638078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{21001}}^1$

素因数の和:21019

約数の個数: 16

約数和(自身を含む): 3528336

約数和(自身を除く): 1890258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 21001, 42002, 63003, 126006, 273013, 546026, 819039, 1638078]

約数ペア:

[(1, 1638078), (2, 819039), (3, 546026), (6, 273013), (13, 126006), (26, 63003), (39, 42002), (78, 21001)]