1639596745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{929}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 2089152000

約数和(自身を除く): 449555255

約数列:

[1, 5, 23, 103, 115, 149, 515, 745, 929, 2369, 3427, 4645, 11845, 15347, 17135, 21367, 76735, 95687, 106835, 138421, 352981, 478435, 692105, 1764905, 2200801, 3183683, 11004005, 14257363, 15918415, 71286815, 327919349, 1639596745]

約数ペア:

[(1, 1639596745), (5, 327919349), (23, 71286815), (103, 15918415), (115, 14257363), (149, 11004005), (515, 3183683), (745, 2200801), (929, 1764905), (2369, 692105), (3427, 478435), (4645, 352981), (11845, 138421), (15347, 106835), (17135, 95687), (21367, 76735)]