259131728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{887}}^1$

素因数の和:976

約数の個数: 60

約数和(自身を含む): 546706080

約数和(自身を除く): 287574352

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 887, 961, 1178, 1774, 1922, 2356, 3548, 3844, 4712, 7096, 7688, 9424, 14192, 15376, 16853, 18259, 27497, 33706, 36518, 54994, 67412, 73036, 109988, 134824, 146072, 219976, 269648, 292144, 439952, 522443, 852407, 1044886, 1704814, 2089772, 3409628, 4179544, 6819256, 8359088, 13638512, 16195733, 32391466, 64782932, 129565864, 259131728]

約数ペア:

[(1, 259131728), (2, 129565864), (4, 64782932), (8, 32391466), (16, 16195733), (19, 13638512), (31, 8359088), (38, 6819256), (62, 4179544), (76, 3409628), (124, 2089772), (152, 1704814), (248, 1044886), (304, 852407), (496, 522443), (589, 439952), (887, 292144), (961, 269648), (1178, 219976), (1774, 146072), (1922, 134824), (2356, 109988), (3548, 73036), (3844, 67412), (4712, 54994), (7096, 36518), (7688, 33706), (9424, 27497), (14192, 18259), (15376, 16853)]