2789428

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 5501440

約数和(自身を除く): 2712012

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 127, 254, 289, 323, 508, 578, 646, 1156, 1292, 2159, 2413, 4318, 4826, 5491, 8636, 9652, 10982, 21964, 36703, 41021, 73406, 82042, 146812, 164084, 697357, 1394714, 2789428]

約数ペア:

[(1, 2789428), (2, 1394714), (4, 697357), (17, 164084), (19, 146812), (34, 82042), (38, 73406), (68, 41021), (76, 36703), (127, 21964), (254, 10982), (289, 9652), (323, 8636), (508, 5491), (578, 4826), (646, 4318), (1156, 2413), (1292, 2159)]