28048405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 15618155

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 121, 179, 185, 259, 385, 407, 605, 847, 895, 1253, 1295, 1969, 2035, 2849, 4235, 4477, 6265, 6623, 9845, 13783, 14245, 21659, 22385, 31339, 33115, 46361, 68915, 72853, 108295, 151613, 156695, 231805, 364265, 509971, 758065, 801383, 2549855, 4006915, 5609681, 28048405]

約数ペア:

[(1, 28048405), (5, 5609681), (7, 4006915), (11, 2549855), (35, 801383), (37, 758065), (55, 509971), (77, 364265), (121, 231805), (179, 156695), (185, 151613), (259, 108295), (385, 72853), (407, 68915), (605, 46361), (847, 33115), (895, 31339), (1253, 22385), (1295, 21659), (1969, 14245), (2035, 13783), (2849, 9845), (4235, 6623), (4477, 6265)]