28664597

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 33379200

約数和(自身を除く): 4714603

約数列:

[1, 13, 19, 79, 113, 169, 247, 1027, 1469, 1501, 2147, 3211, 8927, 13351, 19097, 19513, 27911, 116051, 169613, 253669, 362843, 1508663, 2204969, 28664597]

約数ペア:

[(1, 28664597), (13, 2204969), (19, 1508663), (79, 362843), (113, 253669), (169, 169613), (247, 116051), (1027, 27911), (1469, 19513), (1501, 19097), (2147, 13351), (3211, 8927)]