425872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 20

約数和(自身を含む): 845680

約数和(自身を除く): 419808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 619, 688, 1238, 2476, 4952, 9904, 26617, 53234, 106468, 212936, 425872]

約数ペア:

[(1, 425872), (2, 212936), (4, 106468), (8, 53234), (16, 26617), (43, 9904), (86, 4952), (172, 2476), (344, 1238), (619, 688)]