12557195

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 18938880

約数和(自身を除く): 6381685

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 821, 2185, 3059, 4105, 5747, 15295, 15599, 18883, 28735, 77995, 94415, 109193, 132181, 358777, 545965, 660905, 1793885, 2511439, 12557195]

約数ペア:

[(1, 12557195), (5, 2511439), (7, 1793885), (19, 660905), (23, 545965), (35, 358777), (95, 132181), (115, 109193), (133, 94415), (161, 77995), (437, 28735), (665, 18883), (805, 15599), (821, 15295), (2185, 5747), (3059, 4105)]