28679588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 65372160

約数和(自身を除く): 36692572

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 37, 38, 47, 62, 74, 76, 94, 124, 133, 148, 188, 217, 259, 266, 329, 434, 518, 532, 589, 658, 703, 868, 893, 1036, 1147, 1178, 1316, 1406, 1457, 1739, 1786, 2294, 2356, 2812, 2914, 3478, 3572, 4123, 4588, 4921, 5828, 6251, 6956, 8029, 8246, 9842, 10199, 12173, 12502, 16058, 16492, 19684, 20398, 21793, 24346, 25004, 27683, 32116, 33041, 40796, 43586, 48692, 53909, 55366, 66082, 87172, 107818, 110732, 132164, 152551, 193781, 215636, 231287, 305102, 377363, 387562, 462574, 610204, 754726, 775124, 925148, 1024271, 1509452, 2048542, 4097084, 7169897, 14339794, 28679588]

約数ペア:

[(1, 28679588), (2, 14339794), (4, 7169897), (7, 4097084), (14, 2048542), (19, 1509452), (28, 1024271), (31, 925148), (37, 775124), (38, 754726), (47, 610204), (62, 462574), (74, 387562), (76, 377363), (94, 305102), (124, 231287), (133, 215636), (148, 193781), (188, 152551), (217, 132164), (259, 110732), (266, 107818), (329, 87172), (434, 66082), (518, 55366), (532, 53909), (589, 48692), (658, 43586), (703, 40796), (868, 33041), (893, 32116), (1036, 27683), (1147, 25004), (1178, 24346), (1316, 21793), (1406, 20398), (1457, 19684), (1739, 16492), (1786, 16058), (2294, 12502), (2356, 12173), (2812, 10199), (2914, 9842), (3478, 8246), (3572, 8029), (4123, 6956), (4588, 6251), (4921, 5828)]