389660778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{87643}}^1$

素因数の和:87683

約数の個数: 48

約数和(自身を含む): 957072480

約数和(自身を除く): 567411702

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 87643, 175286, 262929, 525858, 788787, 1139359, 1577574, 1665217, 2278718, 3330434, 3418077, 4995651, 6836154, 9991302, 10254231, 14986953, 20508462, 21647821, 29973906, 43295642, 64943463, 129886926, 194830389, 389660778]

約数ペア:

[(1, 389660778), (2, 194830389), (3, 129886926), (6, 64943463), (9, 43295642), (13, 29973906), (18, 21647821), (19, 20508462), (26, 14986953), (38, 10254231), (39, 9991302), (57, 6836154), (78, 4995651), (114, 3418077), (117, 3330434), (171, 2278718), (234, 1665217), (247, 1577574), (342, 1139359), (494, 788787), (741, 525858), (1482, 262929), (2223, 175286), (4446, 87643)]