28999168

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 66781440

約数和(自身を除く): 37782272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 271, 304, 352, 418, 512, 542, 608, 704, 836, 1084, 1216, 1408, 1672, 2168, 2432, 2816, 2981, 3344, 4336, 4864, 5149, 5632, 5962, 6688, 8672, 9728, 10298, 11924, 13376, 17344, 20596, 23848, 26752, 34688, 41192, 47696, 53504, 56639, 69376, 82384, 95392, 107008, 113278, 138752, 164768, 190784, 226556, 329536, 381568, 453112, 659072, 763136, 906224, 1318144, 1526272, 1812448, 2636288, 3624896, 7249792, 14499584, 28999168]

約数ペア:

[(1, 28999168), (2, 14499584), (4, 7249792), (8, 3624896), (11, 2636288), (16, 1812448), (19, 1526272), (22, 1318144), (32, 906224), (38, 763136), (44, 659072), (64, 453112), (76, 381568), (88, 329536), (128, 226556), (152, 190784), (176, 164768), (209, 138752), (256, 113278), (271, 107008), (304, 95392), (352, 82384), (418, 69376), (512, 56639), (542, 53504), (608, 47696), (704, 41192), (836, 34688), (1084, 26752), (1216, 23848), (1408, 20596), (1672, 17344), (2168, 13376), (2432, 11924), (2816, 10298), (2981, 9728), (3344, 8672), (4336, 6688), (4864, 5962), (5149, 5632)]