4065985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 6220800

約数和(自身を除く): 2154815

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 179, 295, 385, 413, 649, 895, 1253, 1969, 2065, 3245, 4543, 6265, 9845, 10561, 13783, 22715, 52805, 68915, 73927, 116171, 369635, 580855, 813197, 4065985]

約数ペア:

[(1, 4065985), (5, 813197), (7, 580855), (11, 369635), (35, 116171), (55, 73927), (59, 68915), (77, 52805), (179, 22715), (295, 13783), (385, 10561), (413, 9845), (649, 6265), (895, 4543), (1253, 3245), (1969, 2065)]