2172515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 2812320

約数和(自身を除く): 639805

約数列:

[1, 5, 17, 61, 85, 305, 419, 1037, 2095, 5185, 7123, 25559, 35615, 127795, 434503, 2172515]

約数ペア:

[(1, 2172515), (5, 434503), (17, 127795), (61, 35615), (85, 25559), (305, 7123), (419, 5185), (1037, 2095)]