28784315672

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1867}}^1$

素因数の和:2101

約数の個数: 128

約数和(自身を含む): 65074544640

約数和(自身を除く): 36290228968

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 107, 124, 166, 214, 217, 248, 332, 428, 434, 581, 664, 749, 856, 868, 1162, 1498, 1736, 1867, 2324, 2573, 2996, 3317, 3734, 4648, 5146, 5992, 6634, 7468, 8881, 10292, 13069, 13268, 14936, 17762, 18011, 20584, 23219, 26138, 26536, 35524, 36022, 46438, 52276, 57877, 62167, 71048, 72044, 92876, 104552, 115754, 124334, 144088, 154961, 185752, 199769, 231508, 248668, 275311, 309922, 399538, 405139, 463016, 497336, 550622, 619844, 799076, 810278, 1084727, 1101244, 1239688, 1398383, 1598152, 1620556, 1927177, 2169454, 2202488, 2796766, 3241112, 3854354, 4338908, 4803791, 5593532, 6192839, 7708708, 8677816, 9607582, 11187064, 12385678, 15417416, 16580827, 19215164, 24771356, 33161654, 33626537, 38430328, 43349873, 49542712, 66323308, 67253074, 86699746, 116065789, 132646616, 134506148, 173399492, 232131578, 269012296, 346798984, 464263156, 514005637, 928526312, 1028011274, 2056022548, 3598039459, 4112045096, 7196078918, 14392157836, 28784315672]

約数ペア:

[(1, 28784315672), (2, 14392157836), (4, 7196078918), (7, 4112045096), (8, 3598039459), (14, 2056022548), (28, 1028011274), (31, 928526312), (56, 514005637), (62, 464263156), (83, 346798984), (107, 269012296), (124, 232131578), (166, 173399492), (214, 134506148), (217, 132646616), (248, 116065789), (332, 86699746), (428, 67253074), (434, 66323308), (581, 49542712), (664, 43349873), (749, 38430328), (856, 33626537), (868, 33161654), (1162, 24771356), (1498, 19215164), (1736, 16580827), (1867, 15417416), (2324, 12385678), (2573, 11187064), (2996, 9607582), (3317, 8677816), (3734, 7708708), (4648, 6192839), (5146, 5593532), (5992, 4803791), (6634, 4338908), (7468, 3854354), (8881, 3241112), (10292, 2796766), (13069, 2202488), (13268, 2169454), (14936, 1927177), (17762, 1620556), (18011, 1598152), (20584, 1398383), (23219, 1239688), (26138, 1101244), (26536, 1084727), (35524, 810278), (36022, 799076), (46438, 619844), (52276, 550622), (57877, 497336), (62167, 463016), (71048, 405139), (72044, 399538), (92876, 309922), (104552, 275311), (115754, 248668), (124334, 231508), (144088, 199769), (154961, 185752)]