209109376

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 507225600

約数和(自身を除く): 298116224

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 73, 92, 112, 128, 139, 146, 161, 184, 224, 278, 292, 322, 368, 448, 511, 556, 584, 644, 736, 896, 973, 1022, 1112, 1168, 1288, 1472, 1679, 1946, 2044, 2224, 2336, 2576, 2944, 3197, 3358, 3892, 4088, 4448, 4672, 5152, 6394, 6716, 7784, 8176, 8896, 9344, 10147, 10304, 11753, 12788, 13432, 15568, 16352, 17792, 20294, 20608, 22379, 23506, 25576, 26864, 31136, 32704, 40588, 44758, 47012, 51152, 53728, 62272, 65408, 71029, 81176, 89516, 94024, 102304, 107456, 124544, 142058, 162352, 179032, 188048, 204608, 214912, 233381, 284116, 324704, 358064, 376096, 409216, 466762, 568232, 649408, 716128, 752192, 933524, 1136464, 1298816, 1432256, 1504384, 1633667, 1867048, 2272928, 2864512, 3267334, 3734096, 4545856, 6534668, 7468192, 9091712, 13069336, 14936384, 26138672, 29872768, 52277344, 104554688, 209109376]

約数ペア:

[(1, 209109376), (2, 104554688), (4, 52277344), (7, 29872768), (8, 26138672), (14, 14936384), (16, 13069336), (23, 9091712), (28, 7468192), (32, 6534668), (46, 4545856), (56, 3734096), (64, 3267334), (73, 2864512), (92, 2272928), (112, 1867048), (128, 1633667), (139, 1504384), (146, 1432256), (161, 1298816), (184, 1136464), (224, 933524), (278, 752192), (292, 716128), (322, 649408), (368, 568232), (448, 466762), (511, 409216), (556, 376096), (584, 358064), (644, 324704), (736, 284116), (896, 233381), (973, 214912), (1022, 204608), (1112, 188048), (1168, 179032), (1288, 162352), (1472, 142058), (1679, 124544), (1946, 107456), (2044, 102304), (2224, 94024), (2336, 89516), (2576, 81176), (2944, 71029), (3197, 65408), (3358, 62272), (3892, 53728), (4088, 51152), (4448, 47012), (4672, 44758), (5152, 40588), (6394, 32704), (6716, 31136), (7784, 26864), (8176, 25576), (8896, 23506), (9344, 22379), (10147, 20608), (10304, 20294), (11753, 17792), (12788, 16352), (13432, 15568)]