258246879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{983}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 396748800

約数和(自身を除く): 138501921

約数列:

[1, 3, 11, 19, 33, 57, 209, 419, 627, 983, 1257, 2949, 4609, 7961, 10813, 13827, 18677, 23883, 32439, 56031, 87571, 205447, 262713, 411877, 616341, 1235631, 4530647, 7825663, 13591941, 23476989, 86082293, 258246879]

約数ペア:

[(1, 258246879), (3, 86082293), (11, 23476989), (19, 13591941), (33, 7825663), (57, 4530647), (209, 1235631), (419, 616341), (627, 411877), (983, 262713), (1257, 205447), (2949, 87571), (4609, 56031), (7961, 32439), (10813, 23883), (13827, 18677)]