81893216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 177788520

約数和(自身を除く): 95895304

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 179, 232, 272, 358, 464, 493, 544, 716, 841, 928, 986, 1432, 1682, 1972, 2864, 3043, 3364, 3944, 5191, 5728, 6086, 6728, 7888, 10382, 12172, 13456, 14297, 15776, 20764, 24344, 26912, 28594, 41528, 48688, 57188, 83056, 88247, 97376, 114376, 150539, 166112, 176494, 228752, 301078, 352988, 457504, 602156, 705976, 1204312, 1411952, 2408624, 2559163, 2823904, 4817248, 5118326, 10236652, 20473304, 40946608, 81893216]

約数ペア:

[(1, 81893216), (2, 40946608), (4, 20473304), (8, 10236652), (16, 5118326), (17, 4817248), (29, 2823904), (32, 2559163), (34, 2408624), (58, 1411952), (68, 1204312), (116, 705976), (136, 602156), (179, 457504), (232, 352988), (272, 301078), (358, 228752), (464, 176494), (493, 166112), (544, 150539), (716, 114376), (841, 97376), (928, 88247), (986, 83056), (1432, 57188), (1682, 48688), (1972, 41528), (2864, 28594), (3043, 26912), (3364, 24344), (3944, 20764), (5191, 15776), (5728, 14297), (6086, 13456), (6728, 12172), (7888, 10382)]