128840908

素因数分解:

$2^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{5051}}^1$

素因数の和:5973

約数の個数: 24

約数和(自身を含む): 258015744

約数和(自身を除く): 129174836

約数列:

[1, 2, 4, 7, 14, 28, 911, 1822, 3644, 5051, 6377, 10102, 12754, 20204, 25508, 35357, 70714, 141428, 4601461, 9202922, 18405844, 32210227, 64420454, 128840908]

約数ペア:

[(1, 128840908), (2, 64420454), (4, 32210227), (7, 18405844), (14, 9202922), (28, 4601461), (911, 141428), (1822, 70714), (3644, 35357), (5051, 25508), (6377, 20204), (10102, 12754)]