28877156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 38618524

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 53, 58, 61, 77, 106, 116, 122, 154, 203, 212, 244, 308, 319, 371, 406, 427, 583, 638, 671, 742, 812, 854, 1166, 1276, 1342, 1484, 1537, 1708, 1769, 2233, 2332, 2684, 3074, 3233, 3538, 4081, 4466, 4697, 6148, 6466, 7076, 8162, 8932, 9394, 10759, 12383, 12932, 16324, 16907, 18788, 19459, 21518, 22631, 24766, 33814, 35563, 38918, 43036, 45262, 49532, 67628, 71126, 77836, 90524, 93757, 118349, 136213, 142252, 187514, 236698, 248941, 272426, 375028, 473396, 497882, 544852, 656299, 995764, 1031327, 1312598, 2062654, 2625196, 4125308, 7219289, 14438578, 28877156]

約数ペア:

[(1, 28877156), (2, 14438578), (4, 7219289), (7, 4125308), (11, 2625196), (14, 2062654), (22, 1312598), (28, 1031327), (29, 995764), (44, 656299), (53, 544852), (58, 497882), (61, 473396), (77, 375028), (106, 272426), (116, 248941), (122, 236698), (154, 187514), (203, 142252), (212, 136213), (244, 118349), (308, 93757), (319, 90524), (371, 77836), (406, 71126), (427, 67628), (583, 49532), (638, 45262), (671, 43036), (742, 38918), (812, 35563), (854, 33814), (1166, 24766), (1276, 22631), (1342, 21518), (1484, 19459), (1537, 18788), (1708, 16907), (1769, 16324), (2233, 12932), (2332, 12383), (2684, 10759), (3074, 9394), (3233, 8932), (3538, 8162), (4081, 7076), (4466, 6466), (4697, 6148)]