399210839

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 456192000

約数和(自身を除く): 56981161

約数列:

[1, 23, 29, 31, 43, 449, 667, 713, 899, 989, 1247, 1333, 10327, 13021, 13919, 19307, 20677, 28681, 30659, 38657, 299483, 320137, 403651, 444061, 559903, 598517, 889111, 9283973, 12877769, 13765891, 17356993, 399210839]

約数ペア:

[(1, 399210839), (23, 17356993), (29, 13765891), (31, 12877769), (43, 9283973), (449, 889111), (667, 598517), (713, 559903), (899, 444061), (989, 403651), (1247, 320137), (1333, 299483), (10327, 38657), (13021, 30659), (13919, 28681), (19307, 20677)]