28161828

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1867}}^1$

素因数の和:2296

約数の個数: 36

約数和(自身を含む): 71394960

約数和(自身を除く): 43233132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1257, 1676, 1867, 2514, 3734, 3771, 5028, 5601, 7468, 7542, 11202, 15084, 16803, 22404, 33606, 67212, 782273, 1564546, 2346819, 3129092, 4693638, 7040457, 9387276, 14080914, 28161828]

約数ペア:

[(1, 28161828), (2, 14080914), (3, 9387276), (4, 7040457), (6, 4693638), (9, 3129092), (12, 2346819), (18, 1564546), (36, 782273), (419, 67212), (838, 33606), (1257, 22404), (1676, 16803), (1867, 15084), (2514, 11202), (3734, 7542), (3771, 7468), (5028, 5601)]