388803385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{18679}}^1$

素因数の和:18888

約数の個数: 16

約数和(自身を含む): 489565440

約数和(自身を除く): 100762055

約数列:

[1, 5, 23, 115, 181, 905, 4163, 18679, 20815, 93395, 429617, 2148085, 3380899, 16904495, 77760677, 388803385]

約数ペア:

[(1, 388803385), (5, 77760677), (23, 16904495), (115, 3380899), (181, 2148085), (905, 429617), (4163, 93395), (18679, 20815)]