81165568

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 195733440

約数和(自身を除く): 114567872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 37, 38, 41, 44, 64, 74, 76, 82, 88, 128, 148, 152, 164, 176, 209, 256, 296, 304, 328, 352, 407, 418, 451, 592, 608, 656, 703, 704, 779, 814, 836, 902, 1184, 1216, 1312, 1406, 1408, 1517, 1558, 1628, 1672, 1804, 2368, 2432, 2624, 2812, 2816, 3034, 3116, 3256, 3344, 3608, 4736, 4864, 5248, 5624, 6068, 6232, 6512, 6688, 7216, 7733, 8569, 9472, 10496, 11248, 12136, 12464, 13024, 13376, 14432, 15466, 16687, 17138, 22496, 24272, 24928, 26048, 26752, 28823, 28864, 30932, 33374, 34276, 44992, 48544, 49856, 52096, 53504, 57646, 57728, 61864, 66748, 68552, 89984, 97088, 99712, 104192, 115292, 115456, 123728, 133496, 137104, 179968, 194176, 199424, 230584, 247456, 266992, 274208, 317053, 388352, 461168, 494912, 533984, 548416, 634106, 922336, 989824, 1067968, 1096832, 1268212, 1844672, 1979648, 2135936, 2193664, 2536424, 3689344, 4271872, 5072848, 7378688, 10145696, 20291392, 40582784, 81165568]

約数ペア:

[(1, 81165568), (2, 40582784), (4, 20291392), (8, 10145696), (11, 7378688), (16, 5072848), (19, 4271872), (22, 3689344), (32, 2536424), (37, 2193664), (38, 2135936), (41, 1979648), (44, 1844672), (64, 1268212), (74, 1096832), (76, 1067968), (82, 989824), (88, 922336), (128, 634106), (148, 548416), (152, 533984), (164, 494912), (176, 461168), (209, 388352), (256, 317053), (296, 274208), (304, 266992), (328, 247456), (352, 230584), (407, 199424), (418, 194176), (451, 179968), (592, 137104), (608, 133496), (656, 123728), (703, 115456), (704, 115292), (779, 104192), (814, 99712), (836, 97088), (902, 89984), (1184, 68552), (1216, 66748), (1312, 61864), (1406, 57728), (1408, 57646), (1517, 53504), (1558, 52096), (1628, 49856), (1672, 48544), (1804, 44992), (2368, 34276), (2432, 33374), (2624, 30932), (2812, 28864), (2816, 28823), (3034, 26752), (3116, 26048), (3256, 24928), (3344, 24272), (3608, 22496), (4736, 17138), (4864, 16687), (5248, 15466), (5624, 14432), (6068, 13376), (6232, 13024), (6512, 12464), (6688, 12136), (7216, 11248), (7733, 10496), (8569, 9472)]