260064215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71153}}^1$

素因数の和:71218

約数の個数: 16

約数和(自身を含む): 338123808

約数和(自身を除く): 78059593

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 71153, 355765, 1209601, 3059579, 6048005, 15297895, 52012843, 260064215]

約数ペア:

[(1, 260064215), (5, 52012843), (17, 15297895), (43, 6048005), (85, 3059579), (215, 1209601), (731, 355765), (3655, 71153)]