12640948

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 22668800

約数和(自身を除く): 10027852

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 367, 436, 734, 1468, 8611, 17222, 28993, 34444, 40003, 57986, 80006, 115972, 160012, 3160237, 6320474, 12640948]

約数ペア:

[(1, 12640948), (2, 6320474), (4, 3160237), (79, 160012), (109, 115972), (158, 80006), (218, 57986), (316, 40003), (367, 34444), (436, 28993), (734, 17222), (1468, 8611)]