81398584

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 172260000

約数和(自身を除く): 90861416

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 109, 136, 152, 218, 289, 323, 436, 578, 646, 872, 1156, 1292, 1853, 2071, 2312, 2584, 3706, 4142, 4913, 5491, 7412, 8284, 9826, 10982, 14824, 16568, 19652, 21964, 31501, 35207, 39304, 43928, 63002, 70414, 93347, 126004, 140828, 186694, 252008, 281656, 373388, 535517, 598519, 746776, 1071034, 1197038, 2142068, 2394076, 4284136, 4788152, 10174823, 20349646, 40699292, 81398584]

約数ペア:

[(1, 81398584), (2, 40699292), (4, 20349646), (8, 10174823), (17, 4788152), (19, 4284136), (34, 2394076), (38, 2142068), (68, 1197038), (76, 1071034), (109, 746776), (136, 598519), (152, 535517), (218, 373388), (289, 281656), (323, 252008), (436, 186694), (578, 140828), (646, 126004), (872, 93347), (1156, 70414), (1292, 63002), (1853, 43928), (2071, 39304), (2312, 35207), (2584, 31501), (3706, 21964), (4142, 19652), (4913, 16568), (5491, 14824), (7412, 10982), (8284, 9826)]