28318810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7027}}^1$

素因数の和:7078

約数の個数: 32

約数和(自身を含む): 56673792

約数和(自身を除く): 28354982

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7027, 14054, 35135, 70270, 91351, 182702, 217837, 435674, 456755, 913510, 1089185, 2178370, 2831881, 5663762, 14159405, 28318810]

約数ペア:

[(1, 28318810), (2, 14159405), (5, 5663762), (10, 2831881), (13, 2178370), (26, 1089185), (31, 913510), (62, 456755), (65, 435674), (130, 217837), (155, 182702), (310, 91351), (403, 70270), (806, 35135), (2015, 14054), (4030, 7027)]