15621488

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 31672080

約数和(自身を除く): 16050592

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 131, 232, 257, 262, 464, 514, 524, 1028, 1048, 2056, 2096, 3799, 4112, 7453, 7598, 14906, 15196, 29812, 30392, 33667, 59624, 60784, 67334, 119248, 134668, 269336, 538672, 976343, 1952686, 3905372, 7810744, 15621488]

約数ペア:

[(1, 15621488), (2, 7810744), (4, 3905372), (8, 1952686), (16, 976343), (29, 538672), (58, 269336), (116, 134668), (131, 119248), (232, 67334), (257, 60784), (262, 59624), (464, 33667), (514, 30392), (524, 29812), (1028, 15196), (1048, 14906), (2056, 7598), (2096, 7453), (3799, 4112)]