2500989

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 3888000

約数和(自身を除く): 1387011

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 89, 267, 323, 493, 551, 969, 1479, 1513, 1653, 1691, 2581, 4539, 5073, 7743, 9367, 28101, 28747, 43877, 49039, 86241, 131631, 147117, 833663, 2500989]

約数ペア:

[(1, 2500989), (3, 833663), (17, 147117), (19, 131631), (29, 86241), (51, 49039), (57, 43877), (87, 28747), (89, 28101), (267, 9367), (323, 7743), (493, 5073), (551, 4539), (969, 2581), (1479, 1691), (1513, 1653)]