999856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 80

約数和(自身を含む): 2499840

約数和(自身を除く): 1499984

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 23, 26, 38, 44, 46, 52, 76, 88, 92, 104, 143, 152, 176, 184, 208, 209, 247, 253, 286, 299, 304, 368, 418, 437, 494, 506, 572, 598, 836, 874, 988, 1012, 1144, 1196, 1672, 1748, 1976, 2024, 2288, 2392, 2717, 3289, 3344, 3496, 3952, 4048, 4784, 4807, 5434, 5681, 6578, 6992, 9614, 10868, 11362, 13156, 19228, 21736, 22724, 26312, 38456, 43472, 45448, 52624, 62491, 76912, 90896, 124982, 249964, 499928, 999856]

約数ペア:

[(1, 999856), (2, 499928), (4, 249964), (8, 124982), (11, 90896), (13, 76912), (16, 62491), (19, 52624), (22, 45448), (23, 43472), (26, 38456), (38, 26312), (44, 22724), (46, 21736), (52, 19228), (76, 13156), (88, 11362), (92, 10868), (104, 9614), (143, 6992), (152, 6578), (176, 5681), (184, 5434), (208, 4807), (209, 4784), (247, 4048), (253, 3952), (286, 3496), (299, 3344), (304, 3289), (368, 2717), (418, 2392), (437, 2288), (494, 2024), (506, 1976), (572, 1748), (598, 1672), (836, 1196), (874, 1144), (988, 1012)]