280147165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 368030304

約数和(自身を除く): 87883139

約数列:

[1, 5, 17, 37, 85, 185, 281, 317, 629, 1405, 1585, 3145, 4777, 5389, 10397, 11729, 23885, 26945, 51985, 58645, 89077, 176749, 199393, 445385, 883745, 996965, 1514309, 3295849, 7571545, 16479245, 56029433, 280147165]

約数ペア:

[(1, 280147165), (5, 56029433), (17, 16479245), (37, 7571545), (85, 3295849), (185, 1514309), (281, 996965), (317, 883745), (629, 445385), (1405, 199393), (1585, 176749), (3145, 89077), (4777, 58645), (5389, 51985), (10397, 26945), (11729, 23885)]