27985604

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 53329584

約数和(自身を除く): 25343980

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 563, 578, 731, 1126, 1156, 1462, 2252, 2924, 9571, 12427, 19142, 24209, 24854, 38284, 48418, 49708, 96836, 162707, 325414, 411553, 650828, 823106, 1646212, 6996401, 13992802, 27985604]

約数ペア:

[(1, 27985604), (2, 13992802), (4, 6996401), (17, 1646212), (34, 823106), (43, 650828), (68, 411553), (86, 325414), (172, 162707), (289, 96836), (563, 49708), (578, 48418), (731, 38284), (1126, 24854), (1156, 24209), (1462, 19142), (2252, 12427), (2924, 9571)]