28204792

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 69603840

約数和(自身を除く): 41399048

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 124, 154, 196, 211, 217, 248, 308, 341, 392, 422, 434, 539, 616, 682, 844, 868, 1078, 1364, 1477, 1519, 1688, 1736, 2156, 2321, 2387, 2728, 2954, 3038, 4312, 4642, 4774, 5908, 6076, 6541, 9284, 9548, 10339, 11816, 12152, 13082, 16247, 16709, 18568, 19096, 20678, 26164, 32494, 33418, 41356, 45787, 52328, 64988, 66836, 71951, 82712, 91574, 113729, 129976, 133672, 143902, 183148, 227458, 287804, 320509, 366296, 454916, 503657, 575608, 641018, 909832, 1007314, 1282036, 2014628, 2564072, 3525599, 4029256, 7051198, 14102396, 28204792]

約数ペア:

[(1, 28204792), (2, 14102396), (4, 7051198), (7, 4029256), (8, 3525599), (11, 2564072), (14, 2014628), (22, 1282036), (28, 1007314), (31, 909832), (44, 641018), (49, 575608), (56, 503657), (62, 454916), (77, 366296), (88, 320509), (98, 287804), (124, 227458), (154, 183148), (196, 143902), (211, 133672), (217, 129976), (248, 113729), (308, 91574), (341, 82712), (392, 71951), (422, 66836), (434, 64988), (539, 52328), (616, 45787), (682, 41356), (844, 33418), (868, 32494), (1078, 26164), (1364, 20678), (1477, 19096), (1519, 18568), (1688, 16709), (1736, 16247), (2156, 13082), (2321, 12152), (2387, 11816), (2728, 10339), (2954, 9548), (3038, 9284), (4312, 6541), (4642, 6076), (4774, 5908)]