660456568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2039}}^1\times {\mathrm{2131}}^1$

素因数の和:4195

約数の個数: 32

約数和(自身を含む): 1304784000

約数和(自身を除く): 644327432

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2039, 2131, 4078, 4262, 8156, 8524, 16312, 17048, 38741, 40489, 77482, 80978, 154964, 161956, 309928, 323912, 4345109, 8690218, 17380436, 34760872, 82557071, 165114142, 330228284, 660456568]

約数ペア:

[(1, 660456568), (2, 330228284), (4, 165114142), (8, 82557071), (19, 34760872), (38, 17380436), (76, 8690218), (152, 4345109), (2039, 323912), (2131, 309928), (4078, 161956), (4262, 154964), (8156, 80978), (8524, 77482), (16312, 40489), (17048, 38741)]