31211136

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 100612800

約数和(自身を除く): 69401664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 108, 128, 132, 144, 176, 192, 198, 216, 264, 288, 297, 352, 384, 396, 432, 528, 576, 594, 704, 792, 821, 864, 1056, 1152, 1188, 1408, 1584, 1642, 1728, 2112, 2376, 2463, 3168, 3284, 3456, 4224, 4752, 4926, 6336, 6568, 7389, 9031, 9504, 9852, 12672, 13136, 14778, 18062, 19008, 19704, 22167, 26272, 27093, 29556, 36124, 38016, 39408, 44334, 52544, 54186, 59112, 72248, 78816, 81279, 88668, 105088, 108372, 118224, 144496, 157632, 162558, 177336, 216744, 236448, 243837, 288992, 315264, 325116, 354672, 433488, 472896, 487674, 577984, 650232, 709344, 866976, 945792, 975348, 1155968, 1300464, 1418688, 1733952, 1950696, 2600928, 2837376, 3467904, 3901392, 5201856, 7802784, 10403712, 15605568, 31211136]

約数ペア:

[(1, 31211136), (2, 15605568), (3, 10403712), (4, 7802784), (6, 5201856), (8, 3901392), (9, 3467904), (11, 2837376), (12, 2600928), (16, 1950696), (18, 1733952), (22, 1418688), (24, 1300464), (27, 1155968), (32, 975348), (33, 945792), (36, 866976), (44, 709344), (48, 650232), (54, 577984), (64, 487674), (66, 472896), (72, 433488), (88, 354672), (96, 325116), (99, 315264), (108, 288992), (128, 243837), (132, 236448), (144, 216744), (176, 177336), (192, 162558), (198, 157632), (216, 144496), (264, 118224), (288, 108372), (297, 105088), (352, 88668), (384, 81279), (396, 78816), (432, 72248), (528, 59112), (576, 54186), (594, 52544), (704, 44334), (792, 39408), (821, 38016), (864, 36124), (1056, 29556), (1152, 27093), (1188, 26272), (1408, 22167), (1584, 19704), (1642, 19008), (1728, 18062), (2112, 14778), (2376, 13136), (2463, 12672), (3168, 9852), (3284, 9504), (3456, 9031), (4224, 7389), (4752, 6568), (4926, 6336)]