208801285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2753}}^1$

素因数の和:2973

約数の個数: 32

約数和(自身を含む): 314088192

約数和(自身を除く): 105286907

約数列:

[1, 5, 7, 11, 35, 55, 77, 197, 385, 985, 1379, 2167, 2753, 6895, 10835, 13765, 15169, 19271, 30283, 75845, 96355, 151415, 211981, 542341, 1059905, 2711705, 3796387, 5965751, 18981935, 29828755, 41760257, 208801285]

約数ペア:

[(1, 208801285), (5, 41760257), (7, 29828755), (11, 18981935), (35, 5965751), (55, 3796387), (77, 2711705), (197, 1059905), (385, 542341), (985, 211981), (1379, 151415), (2167, 96355), (2753, 75845), (6895, 30283), (10835, 19271), (13765, 15169)]