131361136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 282839040

約数和(自身を除く): 151477904

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 53, 62, 76, 106, 124, 152, 212, 248, 263, 304, 424, 496, 526, 589, 848, 1007, 1052, 1178, 1643, 2014, 2104, 2356, 3286, 4028, 4208, 4712, 4997, 6572, 8056, 8153, 9424, 9994, 13144, 13939, 16112, 16306, 19988, 26288, 27878, 31217, 32612, 39976, 55756, 62434, 65224, 79952, 111512, 124868, 130448, 154907, 223024, 249736, 264841, 309814, 432109, 499472, 529682, 619628, 864218, 1059364, 1239256, 1728436, 2118728, 2478512, 3456872, 4237456, 6913744, 8210071, 16420142, 32840284, 65680568, 131361136]

約数ペア:

[(1, 131361136), (2, 65680568), (4, 32840284), (8, 16420142), (16, 8210071), (19, 6913744), (31, 4237456), (38, 3456872), (53, 2478512), (62, 2118728), (76, 1728436), (106, 1239256), (124, 1059364), (152, 864218), (212, 619628), (248, 529682), (263, 499472), (304, 432109), (424, 309814), (496, 264841), (526, 249736), (589, 223024), (848, 154907), (1007, 130448), (1052, 124868), (1178, 111512), (1643, 79952), (2014, 65224), (2104, 62434), (2356, 55756), (3286, 39976), (4028, 32612), (4208, 31217), (4712, 27878), (4997, 26288), (6572, 19988), (8056, 16306), (8153, 16112), (9424, 13939), (9994, 13144)]