15672861239

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 20038129920

約数和(自身を除く): 4365268681

約数列:

[1, 7, 29, 31, 49, 53, 137, 203, 217, 343, 371, 899, 959, 1421, 1519, 1537, 1643, 2401, 2597, 3973, 4247, 6293, 6713, 7261, 9947, 10633, 10759, 11501, 18179, 27811, 29729, 44051, 46991, 47647, 50827, 69629, 74431, 75313, 80507, 123163, 127253, 194677, 208103, 210569, 225091, 308357, 328937, 333529, 355789, 527191, 563549, 862141, 1362739, 1456721, 1473983, 1575637, 2158499, 2334703, 2490523, 3690337, 3944843, 6034987, 6527639, 9539173, 10197047, 10317881, 11029459, 16342921, 17433661, 42244909, 45693473, 72225167, 77206213, 114400447, 295714363, 319854311, 505576169, 540443491, 2238980177, 15672861239]

約数ペア:

[(1, 15672861239), (7, 2238980177), (29, 540443491), (31, 505576169), (49, 319854311), (53, 295714363), (137, 114400447), (203, 77206213), (217, 72225167), (343, 45693473), (371, 42244909), (899, 17433661), (959, 16342921), (1421, 11029459), (1519, 10317881), (1537, 10197047), (1643, 9539173), (2401, 6527639), (2597, 6034987), (3973, 3944843), (4247, 3690337), (6293, 2490523), (6713, 2334703), (7261, 2158499), (9947, 1575637), (10633, 1473983), (10759, 1456721), (11501, 1362739), (18179, 862141), (27811, 563549), (29729, 527191), (44051, 355789), (46991, 333529), (47647, 328937), (50827, 308357), (69629, 225091), (74431, 210569), (75313, 208103), (80507, 194677), (123163, 127253)]