978012749

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1\times {\mathrm{1999}}^1$

素因数の和:3932

約数の個数: 16

約数和(自身を含む): 1149120000

約数和(自身を除く): 171107251

約数列:

[1, 7, 37, 259, 1889, 1999, 13223, 13993, 69893, 73963, 489251, 517741, 3776111, 26432777, 139716107, 978012749]

約数ペア:

[(1, 978012749), (7, 139716107), (37, 26432777), (259, 3776111), (1889, 517741), (1999, 489251), (13223, 73963), (13993, 69893)]