861213288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2879

約数の個数: 128

約数和(自身を含む): 2476615680

約数和(自身を除く): 1615402392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 43, 46, 52, 69, 78, 86, 92, 104, 129, 138, 156, 172, 184, 258, 276, 299, 312, 344, 516, 552, 559, 598, 897, 989, 1032, 1118, 1196, 1677, 1794, 1978, 2236, 2392, 2791, 2967, 3354, 3588, 3956, 4472, 5582, 5934, 6708, 7176, 7912, 8373, 11164, 11868, 12857, 13416, 16746, 22328, 23736, 25714, 33492, 36283, 38571, 51428, 64193, 66984, 72566, 77142, 102856, 108849, 120013, 128386, 145132, 154284, 192579, 217698, 240026, 256772, 290264, 308568, 360039, 385158, 435396, 480052, 513544, 720078, 770316, 834509, 870792, 960104, 1440156, 1540632, 1560169, 1669018, 2503527, 2760299, 2880312, 3120338, 3338036, 4680507, 5007054, 5520598, 6240676, 6676072, 8280897, 9361014, 10014108, 11041196, 12481352, 16561794, 18722028, 20028216, 22082392, 33123588, 35883887, 37444056, 66247176, 71767774, 107651661, 143535548, 215303322, 287071096, 430606644, 861213288]

約数ペア:

[(1, 861213288), (2, 430606644), (3, 287071096), (4, 215303322), (6, 143535548), (8, 107651661), (12, 71767774), (13, 66247176), (23, 37444056), (24, 35883887), (26, 33123588), (39, 22082392), (43, 20028216), (46, 18722028), (52, 16561794), (69, 12481352), (78, 11041196), (86, 10014108), (92, 9361014), (104, 8280897), (129, 6676072), (138, 6240676), (156, 5520598), (172, 5007054), (184, 4680507), (258, 3338036), (276, 3120338), (299, 2880312), (312, 2760299), (344, 2503527), (516, 1669018), (552, 1560169), (559, 1540632), (598, 1440156), (897, 960104), (989, 870792), (1032, 834509), (1118, 770316), (1196, 720078), (1677, 513544), (1794, 480052), (1978, 435396), (2236, 385158), (2392, 360039), (2791, 308568), (2967, 290264), (3354, 256772), (3588, 240026), (3956, 217698), (4472, 192579), (5582, 154284), (5934, 145132), (6708, 128386), (7176, 120013), (7912, 108849), (8373, 102856), (11164, 77142), (11868, 72566), (12857, 66984), (13416, 64193), (16746, 51428), (22328, 38571), (23736, 36283), (25714, 33492)]