9479990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72923}}^1$

素因数の和:72943

約数の個数: 16

約数和(自身を含む): 18376848

約数和(自身を除く): 8896858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 72923, 145846, 364615, 729230, 947999, 1895998, 4739995, 9479990]

約数ペア:

[(1, 9479990), (2, 4739995), (5, 1895998), (10, 947999), (13, 729230), (26, 364615), (65, 145846), (130, 72923)]