289499990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2226923}}^1$

素因数の和:2226943

約数の個数: 16

約数和(自身を含む): 561184848

約数和(自身を除く): 271684858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2226923, 4453846, 11134615, 22269230, 28949999, 57899998, 144749995, 289499990]

約数ペア:

[(1, 289499990), (2, 144749995), (5, 57899998), (10, 28949999), (13, 22269230), (26, 11134615), (65, 4453846), (130, 2226923)]