1245406985

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1\times {\mathrm{2351}}^1$

素因数の和:4408

約数の個数: 16

約数和(自身を含む): 1524096000

約数和(自身を除く): 278689015

約数列:

[1, 5, 53, 265, 1999, 2351, 9995, 11755, 105947, 124603, 529735, 623015, 4699649, 23498245, 249081397, 1245406985]

約数ペア:

[(1, 1245406985), (5, 249081397), (53, 23498245), (265, 4699649), (1999, 623015), (2351, 529735), (9995, 124603), (11755, 105947)]