398123264

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1$

素因数の和:1116

約数の個数: 144

約数和(自身を含む): 1043911680

約数和(自身を除く): 645788416

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 128, 133, 152, 154, 176, 209, 224, 256, 266, 304, 308, 352, 418, 448, 532, 608, 616, 704, 836, 896, 1063, 1064, 1216, 1232, 1408, 1463, 1672, 1792, 2126, 2128, 2432, 2464, 2816, 2926, 3344, 4252, 4256, 4864, 4928, 5852, 6688, 7441, 8504, 8512, 9856, 11693, 11704, 13376, 14882, 17008, 17024, 19712, 20197, 23386, 23408, 26752, 29764, 34016, 34048, 40394, 46772, 46816, 53504, 59528, 68032, 80788, 81851, 93544, 93632, 119056, 136064, 141379, 161576, 163702, 187088, 187264, 222167, 238112, 272128, 282758, 323152, 327404, 374176, 374528, 444334, 476224, 565516, 646304, 654808, 748352, 888668, 952448, 1131032, 1292608, 1309616, 1496704, 1555169, 1777336, 1904896, 2262064, 2585216, 2619232, 2993408, 3110338, 3554672, 4524128, 5170432, 5238464, 6220676, 7109344, 9048256, 10476928, 12441352, 14218688, 18096512, 20953856, 24882704, 28437376, 36193024, 49765408, 56874752, 99530816, 199061632, 398123264]

約数ペア:

[(1, 398123264), (2, 199061632), (4, 99530816), (7, 56874752), (8, 49765408), (11, 36193024), (14, 28437376), (16, 24882704), (19, 20953856), (22, 18096512), (28, 14218688), (32, 12441352), (38, 10476928), (44, 9048256), (56, 7109344), (64, 6220676), (76, 5238464), (77, 5170432), (88, 4524128), (112, 3554672), (128, 3110338), (133, 2993408), (152, 2619232), (154, 2585216), (176, 2262064), (209, 1904896), (224, 1777336), (256, 1555169), (266, 1496704), (304, 1309616), (308, 1292608), (352, 1131032), (418, 952448), (448, 888668), (532, 748352), (608, 654808), (616, 646304), (704, 565516), (836, 476224), (896, 444334), (1063, 374528), (1064, 374176), (1216, 327404), (1232, 323152), (1408, 282758), (1463, 272128), (1672, 238112), (1792, 222167), (2126, 187264), (2128, 187088), (2432, 163702), (2464, 161576), (2816, 141379), (2926, 136064), (3344, 119056), (4252, 93632), (4256, 93544), (4864, 81851), (4928, 80788), (5852, 68032), (6688, 59528), (7441, 53504), (8504, 46816), (8512, 46772), (9856, 40394), (11693, 34048), (11704, 34016), (13376, 29764), (14882, 26752), (17008, 23408), (17024, 23386), (19712, 20197)]