81767336

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 198451200

約数和(自身を除く): 116683864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 37, 38, 56, 62, 67, 74, 76, 124, 133, 134, 148, 152, 217, 248, 259, 266, 268, 296, 434, 469, 518, 532, 536, 589, 703, 868, 938, 1036, 1064, 1147, 1178, 1273, 1406, 1736, 1876, 2072, 2077, 2294, 2356, 2479, 2546, 2812, 3752, 4123, 4154, 4588, 4712, 4921, 4958, 5092, 5624, 8029, 8246, 8308, 8911, 9176, 9842, 9916, 10184, 14539, 16058, 16492, 16616, 17353, 17822, 19684, 19832, 21793, 29078, 32116, 32984, 34706, 35644, 39368, 39463, 43586, 47101, 58156, 64232, 69412, 71288, 76849, 78926, 87172, 94202, 116312, 138824, 152551, 153698, 157852, 174344, 188404, 276241, 305102, 307396, 315704, 329707, 376808, 537943, 552482, 610204, 614792, 659414, 1075886, 1104964, 1220408, 1318828, 1460131, 2151772, 2209928, 2637656, 2920262, 4303544, 5840524, 10220917, 11681048, 20441834, 40883668, 81767336]

約数ペア:

[(1, 81767336), (2, 40883668), (4, 20441834), (7, 11681048), (8, 10220917), (14, 5840524), (19, 4303544), (28, 2920262), (31, 2637656), (37, 2209928), (38, 2151772), (56, 1460131), (62, 1318828), (67, 1220408), (74, 1104964), (76, 1075886), (124, 659414), (133, 614792), (134, 610204), (148, 552482), (152, 537943), (217, 376808), (248, 329707), (259, 315704), (266, 307396), (268, 305102), (296, 276241), (434, 188404), (469, 174344), (518, 157852), (532, 153698), (536, 152551), (589, 138824), (703, 116312), (868, 94202), (938, 87172), (1036, 78926), (1064, 76849), (1147, 71288), (1178, 69412), (1273, 64232), (1406, 58156), (1736, 47101), (1876, 43586), (2072, 39463), (2077, 39368), (2294, 35644), (2356, 34706), (2479, 32984), (2546, 32116), (2812, 29078), (3752, 21793), (4123, 19832), (4154, 19684), (4588, 17822), (4712, 17353), (4921, 16616), (4958, 16492), (5092, 16058), (5624, 14539), (8029, 10184), (8246, 9916), (8308, 9842), (8911, 9176)]