71840272

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2196

約数の個数: 60

約数和(自身を含む): 165758736

約数和(自身を除く): 93918464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 344, 392, 602, 688, 784, 1204, 2107, 2131, 2408, 4214, 4262, 4816, 8428, 8524, 14917, 16856, 17048, 29834, 33712, 34096, 59668, 91633, 104419, 119336, 183266, 208838, 238672, 366532, 417676, 641431, 733064, 835352, 1282862, 1466128, 1670704, 2565724, 4490017, 5131448, 8980034, 10262896, 17960068, 35920136, 71840272]

約数ペア:

[(1, 71840272), (2, 35920136), (4, 17960068), (7, 10262896), (8, 8980034), (14, 5131448), (16, 4490017), (28, 2565724), (43, 1670704), (49, 1466128), (56, 1282862), (86, 835352), (98, 733064), (112, 641431), (172, 417676), (196, 366532), (301, 238672), (344, 208838), (392, 183266), (602, 119336), (688, 104419), (784, 91633), (1204, 59668), (2107, 34096), (2131, 33712), (2408, 29834), (4214, 17048), (4262, 16856), (4816, 14917), (8428, 8524)]