68499925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:590

約数の個数: 36

約数和(自身を含む): 95124864

約数和(自身を除く): 26624939

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 523, 775, 845, 2015, 2615, 4225, 5239, 6799, 10075, 13075, 16213, 26195, 33995, 81065, 88387, 130975, 169975, 210769, 405325, 441935, 1053845, 2209675, 2739997, 5269225, 13699985, 68499925]

約数ペア:

[(1, 68499925), (5, 13699985), (13, 5269225), (25, 2739997), (31, 2209675), (65, 1053845), (155, 441935), (169, 405325), (325, 210769), (403, 169975), (523, 130975), (775, 88387), (845, 81065), (2015, 33995), (2615, 26195), (4225, 16213), (5239, 13075), (6799, 10075)]