131785216

素因数分解:

$2^9\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 120

約数和(自身を含む): 299337984

約数和(自身を除く): 167552768

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 62, 64, 76, 92, 124, 128, 152, 184, 248, 256, 304, 361, 368, 437, 496, 512, 589, 608, 713, 722, 736, 874, 992, 1178, 1216, 1426, 1444, 1472, 1748, 1984, 2356, 2432, 2852, 2888, 2944, 3496, 3968, 4712, 4864, 5704, 5776, 5888, 6992, 7936, 8303, 9424, 9728, 11191, 11408, 11552, 11776, 13547, 13984, 15872, 16606, 18848, 22382, 22816, 23104, 27094, 27968, 33212, 37696, 44764, 45632, 46208, 54188, 55936, 66424, 75392, 89528, 91264, 92416, 108376, 111872, 132848, 150784, 179056, 182528, 184832, 216752, 223744, 257393, 265696, 301568, 358112, 365056, 433504, 514786, 531392, 716224, 867008, 1029572, 1062784, 1432448, 1734016, 2059144, 2125568, 2864896, 3468032, 4118288, 4251136, 5729792, 6936064, 8236576, 16473152, 32946304, 65892608, 131785216]

約数ペア:

[(1, 131785216), (2, 65892608), (4, 32946304), (8, 16473152), (16, 8236576), (19, 6936064), (23, 5729792), (31, 4251136), (32, 4118288), (38, 3468032), (46, 2864896), (62, 2125568), (64, 2059144), (76, 1734016), (92, 1432448), (124, 1062784), (128, 1029572), (152, 867008), (184, 716224), (248, 531392), (256, 514786), (304, 433504), (361, 365056), (368, 358112), (437, 301568), (496, 265696), (512, 257393), (589, 223744), (608, 216752), (713, 184832), (722, 182528), (736, 179056), (874, 150784), (992, 132848), (1178, 111872), (1216, 108376), (1426, 92416), (1444, 91264), (1472, 89528), (1748, 75392), (1984, 66424), (2356, 55936), (2432, 54188), (2852, 46208), (2888, 45632), (2944, 44764), (3496, 37696), (3968, 33212), (4712, 27968), (4864, 27094), (5704, 23104), (5776, 22816), (5888, 22382), (6992, 18848), (7936, 16606), (8303, 15872), (9424, 13984), (9728, 13547), (11191, 11776), (11408, 11552)]