812451890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1889423}}^1$

素因数の和:1889473

約数の個数: 16

約数和(自身を含む): 1496423808

約数和(自身を除く): 683971918

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1889423, 3778846, 9447115, 18894230, 81245189, 162490378, 406225945, 812451890]

約数ペア:

[(1, 812451890), (2, 406225945), (5, 162490378), (10, 81245189), (43, 18894230), (86, 9447115), (215, 3778846), (430, 1889423)]