890657290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3872423}}^1$

素因数の和:3872453

約数の個数: 16

約数和(自身を含む): 1672887168

約数和(自身を除く): 782229878

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 3872423, 7744846, 19362115, 38724230, 89065729, 178131458, 445328645, 890657290]

約数ペア:

[(1, 890657290), (2, 445328645), (5, 178131458), (10, 89065729), (23, 38724230), (46, 19362115), (115, 7744846), (230, 3872423)]