888978990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{689131}}^1$

素因数の和:689184

約数の個数: 32

約数和(自身を含む): 2183170176

約数和(自身を除く): 1294191186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 689131, 1378262, 2067393, 3445655, 4134786, 6891310, 10336965, 20673930, 29632633, 59265266, 88897899, 148163165, 177795798, 296326330, 444489495, 888978990]

約数ペア:

[(1, 888978990), (2, 444489495), (3, 296326330), (5, 177795798), (6, 148163165), (10, 88897899), (15, 59265266), (30, 29632633), (43, 20673930), (86, 10336965), (129, 6891310), (215, 4134786), (258, 3445655), (430, 2067393), (645, 1378262), (1290, 689131)]