28978872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 78533280

約数和(自身を除く): 49554408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 293, 312, 317, 586, 634, 879, 951, 1172, 1268, 1758, 1902, 2344, 2536, 3516, 3804, 3809, 4121, 7032, 7608, 7618, 8242, 11427, 12363, 15236, 16484, 22854, 24726, 30472, 32968, 45708, 49452, 91416, 92881, 98904, 185762, 278643, 371524, 557286, 743048, 1114572, 1207453, 2229144, 2414906, 3622359, 4829812, 7244718, 9659624, 14489436, 28978872]

約数ペア:

[(1, 28978872), (2, 14489436), (3, 9659624), (4, 7244718), (6, 4829812), (8, 3622359), (12, 2414906), (13, 2229144), (24, 1207453), (26, 1114572), (39, 743048), (52, 557286), (78, 371524), (104, 278643), (156, 185762), (293, 98904), (312, 92881), (317, 91416), (586, 49452), (634, 45708), (879, 32968), (951, 30472), (1172, 24726), (1268, 22854), (1758, 16484), (1902, 15236), (2344, 12363), (2536, 11427), (3516, 8242), (3804, 7618), (3809, 7608), (4121, 7032)]