206115678

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:439

約数の個数: 80

約数和(自身を含む): 479700144

約数和(自身を除く): 273584466

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 137, 162, 222, 251, 274, 333, 411, 502, 666, 753, 822, 999, 1233, 1506, 1998, 2259, 2466, 2997, 3699, 4518, 5069, 5994, 6777, 7398, 9287, 10138, 11097, 13554, 15207, 18574, 20331, 22194, 27861, 30414, 34387, 40662, 45621, 55722, 68774, 83583, 91242, 103161, 136863, 167166, 206322, 250749, 273726, 309483, 410589, 501498, 618966, 752247, 821178, 928449, 1272319, 1504494, 1856898, 2544638, 2785347, 3816957, 5570694, 7633914, 11450871, 22901742, 34352613, 68705226, 103057839, 206115678]

約数ペア:

[(1, 206115678), (2, 103057839), (3, 68705226), (6, 34352613), (9, 22901742), (18, 11450871), (27, 7633914), (37, 5570694), (54, 3816957), (74, 2785347), (81, 2544638), (111, 1856898), (137, 1504494), (162, 1272319), (222, 928449), (251, 821178), (274, 752247), (333, 618966), (411, 501498), (502, 410589), (666, 309483), (753, 273726), (822, 250749), (999, 206322), (1233, 167166), (1506, 136863), (1998, 103161), (2259, 91242), (2466, 83583), (2997, 68774), (3699, 55722), (4518, 45621), (5069, 40662), (5994, 34387), (6777, 30414), (7398, 27861), (9287, 22194), (10138, 20331), (11097, 18574), (13554, 15207)]