209514239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 251755776

約数和(自身を除く): 42241537

約数列:

[1, 11, 17, 37, 107, 187, 283, 407, 629, 1177, 1819, 3113, 3959, 4811, 6919, 10471, 20009, 30281, 43549, 52921, 67303, 115181, 178007, 333091, 514777, 740333, 1120397, 1958077, 5662547, 12324367, 19046749, 209514239]

約数ペア:

[(1, 209514239), (11, 19046749), (17, 12324367), (37, 5662547), (107, 1958077), (187, 1120397), (283, 740333), (407, 514777), (629, 333091), (1177, 178007), (1819, 115181), (3113, 67303), (3959, 52921), (4811, 43549), (6919, 30281), (10471, 20009)]