67980016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1031}}^1$

素因数の和:1369

約数の個数: 40

約数和(自身を含む): 142428384

約数和(自身を除く): 74448368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 634, 1031, 1268, 2062, 2536, 4121, 4124, 5072, 8242, 8248, 13403, 16484, 16496, 26806, 32968, 53612, 65936, 107224, 214448, 326827, 653654, 1307308, 2614616, 4248751, 5229232, 8497502, 16995004, 33990008, 67980016]

約数ペア:

[(1, 67980016), (2, 33990008), (4, 16995004), (8, 8497502), (13, 5229232), (16, 4248751), (26, 2614616), (52, 1307308), (104, 653654), (208, 326827), (317, 214448), (634, 107224), (1031, 65936), (1268, 53612), (2062, 32968), (2536, 26806), (4121, 16496), (4124, 16484), (5072, 13403), (8242, 8248)]