399152015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{45281}}^1$

素因数の和:45370

約数の個数: 16

約数和(自身を含む): 502086816

約数和(自身を除く): 102934801

約数列:

[1, 5, 41, 43, 205, 215, 1763, 8815, 45281, 226405, 1856521, 1947083, 9282605, 9735415, 79830403, 399152015]

約数ペア:

[(1, 399152015), (5, 79830403), (41, 9735415), (43, 9282605), (205, 1947083), (215, 1856521), (1763, 226405), (8815, 45281)]