17970245

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 4649275

約数列:

[1, 5, 23, 115, 307, 509, 1535, 2545, 7061, 11707, 35305, 58535, 156263, 781315, 3594049, 17970245]

約数ペア:

[(1, 17970245), (5, 3594049), (23, 781315), (115, 156263), (307, 58535), (509, 35305), (1535, 11707), (2545, 7061)]