219688816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 458327808

約数和(自身を除く): 238638992

約数列:

[1, 2, 4, 8, 16, 31, 53, 61, 62, 106, 122, 124, 137, 212, 244, 248, 274, 424, 488, 496, 548, 848, 976, 1096, 1643, 1891, 2192, 3233, 3286, 3782, 4247, 6466, 6572, 7261, 7564, 8357, 8494, 12932, 13144, 14522, 15128, 16714, 16988, 25864, 26288, 29044, 30256, 33428, 33976, 51728, 58088, 66856, 67952, 100223, 116176, 133712, 200446, 225091, 259067, 400892, 442921, 450182, 518134, 801784, 885842, 900364, 1036268, 1603568, 1771684, 1800728, 2072536, 3543368, 3601456, 4145072, 7086736, 13730551, 27461102, 54922204, 109844408, 219688816]

約数ペア:

[(1, 219688816), (2, 109844408), (4, 54922204), (8, 27461102), (16, 13730551), (31, 7086736), (53, 4145072), (61, 3601456), (62, 3543368), (106, 2072536), (122, 1800728), (124, 1771684), (137, 1603568), (212, 1036268), (244, 900364), (248, 885842), (274, 801784), (424, 518134), (488, 450182), (496, 442921), (548, 400892), (848, 259067), (976, 225091), (1096, 200446), (1643, 133712), (1891, 116176), (2192, 100223), (3233, 67952), (3286, 66856), (3782, 58088), (4247, 51728), (6466, 33976), (6572, 33428), (7261, 30256), (7564, 29044), (8357, 26288), (8494, 25864), (12932, 16988), (13144, 16714), (14522, 15128)]