28137388

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 50105664

約数和(自身を除く): 21968276

約数列:

[1, 2, 4, 101, 202, 257, 271, 404, 514, 542, 1028, 1084, 25957, 27371, 51914, 54742, 69647, 103828, 109484, 139294, 278588, 7034347, 14068694, 28137388]

約数ペア:

[(1, 28137388), (2, 14068694), (4, 7034347), (101, 278588), (202, 139294), (257, 109484), (271, 103828), (404, 69647), (514, 54742), (542, 51914), (1028, 27371), (1084, 25957)]