28840385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 14167615

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 1399, 2945, 4123, 6995, 9793, 20615, 26581, 43369, 48965, 132905, 186067, 216845, 303583, 824011, 930335, 1517915, 4120055, 5768077, 28840385]

約数ペア:

[(1, 28840385), (5, 5768077), (7, 4120055), (19, 1517915), (31, 930335), (35, 824011), (95, 303583), (133, 216845), (155, 186067), (217, 132905), (589, 48965), (665, 43369), (1085, 26581), (1399, 20615), (2945, 9793), (4123, 6995)]