40128578

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 30373822

約数列:

[1, 2, 7, 14, 67, 134, 179, 239, 358, 469, 478, 938, 1253, 1673, 2506, 3346, 11993, 16013, 23986, 32026, 42781, 83951, 85562, 112091, 167902, 224182, 299467, 598934, 2866327, 5732654, 20064289, 40128578]

約数ペア:

[(1, 40128578), (2, 20064289), (7, 5732654), (14, 2866327), (67, 598934), (134, 299467), (179, 224182), (239, 167902), (358, 112091), (469, 85562), (478, 83951), (938, 42781), (1253, 32026), (1673, 23986), (2506, 16013), (3346, 11993)]