82130321

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 104697600

約数和(自身を除く): 22567279

約数列:

[1, 7, 13, 49, 91, 113, 163, 343, 637, 791, 1141, 1469, 2119, 4459, 5537, 7987, 10283, 14833, 18419, 38759, 55909, 71981, 103831, 128933, 239447, 503867, 726817, 902531, 1676129, 6317717, 11732903, 82130321]

約数ペア:

[(1, 82130321), (7, 11732903), (13, 6317717), (49, 1676129), (91, 902531), (113, 726817), (163, 503867), (343, 239447), (637, 128933), (791, 103831), (1141, 71981), (1469, 55909), (2119, 38759), (4459, 18419), (5537, 14833), (7987, 10283)]