128856976

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 259358400

約数和(自身を除く): 130501424

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 331, 464, 662, 839, 1324, 1678, 2648, 3356, 5296, 6712, 9599, 13424, 19198, 24331, 38396, 48662, 76792, 97324, 153584, 194648, 277709, 389296, 555418, 1110836, 2221672, 4443344, 8053561, 16107122, 32214244, 64428488, 128856976]

約数ペア:

[(1, 128856976), (2, 64428488), (4, 32214244), (8, 16107122), (16, 8053561), (29, 4443344), (58, 2221672), (116, 1110836), (232, 555418), (331, 389296), (464, 277709), (662, 194648), (839, 153584), (1324, 97324), (1678, 76792), (2648, 48662), (3356, 38396), (5296, 24331), (6712, 19198), (9599, 13424)]