1664416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4024

約数の個数: 24

約数和(自身を含む): 3529764

約数和(自身を除く): 1865348

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 4001, 8002, 16004, 32008, 52013, 64016, 104026, 128032, 208052, 416104, 832208, 1664416]

約数ペア:

[(1, 1664416), (2, 832208), (4, 416104), (8, 208052), (13, 128032), (16, 104026), (26, 64016), (32, 52013), (52, 32008), (104, 16004), (208, 8002), (416, 4001)]