51989821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 61931520

約数和(自身を除く): 9941699

約数列:

[1, 13, 23, 31, 71, 79, 299, 403, 713, 923, 1027, 1633, 1817, 2201, 2449, 5609, 9269, 21229, 23621, 28613, 31837, 50623, 56327, 72917, 129007, 173879, 658099, 732251, 1677091, 2260427, 3999217, 51989821]

約数ペア:

[(1, 51989821), (13, 3999217), (23, 2260427), (31, 1677091), (71, 732251), (79, 658099), (299, 173879), (403, 129007), (713, 72917), (923, 56327), (1027, 50623), (1633, 31837), (1817, 28613), (2201, 23621), (2449, 21229), (5609, 9269)]