812535568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90847}}^1$

素因数の和:90911

約数の個数: 40

約数和(自身を含む): 1734833408

約数和(自身を除く): 922297840

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 90847, 181694, 363388, 726776, 1181011, 1453552, 2362022, 3906421, 4724044, 7812842, 9448088, 15625684, 18896176, 31251368, 50783473, 62502736, 101566946, 203133892, 406267784, 812535568]

約数ペア:

[(1, 812535568), (2, 406267784), (4, 203133892), (8, 101566946), (13, 62502736), (16, 50783473), (26, 31251368), (43, 18896176), (52, 15625684), (86, 9448088), (104, 7812842), (172, 4724044), (208, 3906421), (344, 2362022), (559, 1453552), (688, 1181011), (1118, 726776), (2236, 363388), (4472, 181694), (8944, 90847)]