28374008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2503}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 57842400

約数和(自身を除く): 29468392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2503, 2834, 5006, 5668, 10012, 11336, 20024, 32539, 65078, 130156, 260312, 272827, 545654, 1091308, 2182616, 3546751, 7093502, 14187004, 28374008]

約数ペア:

[(1, 28374008), (2, 14187004), (4, 7093502), (8, 3546751), (13, 2182616), (26, 1091308), (52, 545654), (104, 272827), (109, 260312), (218, 130156), (436, 65078), (872, 32539), (1417, 20024), (2503, 11336), (2834, 10012), (5006, 5668)]