209915065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{9839}}^1$

素因数の和:10112

約数の個数: 16

約数和(自身を含む): 267805440

約数和(自身を除く): 57890375

約数列:

[1, 5, 17, 85, 251, 1255, 4267, 9839, 21335, 49195, 167263, 836315, 2469589, 12347945, 41983013, 209915065]

約数ペア:

[(1, 209915065), (5, 41983013), (17, 12347945), (85, 2469589), (251, 836315), (1255, 167263), (4267, 49195), (9839, 21335)]