247875628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2063

約数の個数: 96

約数和(自身を含む): 601509888

約数和(自身を除く): 353634260

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 182, 217, 286, 308, 341, 364, 403, 434, 572, 682, 806, 868, 1001, 1364, 1612, 1997, 2002, 2387, 2821, 3994, 4004, 4433, 4774, 5642, 7988, 8866, 9548, 11284, 13979, 17732, 21967, 25961, 27958, 31031, 43934, 51922, 55916, 61907, 62062, 87868, 103844, 123814, 124124, 153769, 181727, 247628, 285571, 307538, 363454, 433349, 571142, 615076, 680977, 726908, 804791, 866698, 1142284, 1361954, 1609582, 1733396, 1998997, 2723908, 3219164, 3997994, 4766839, 5633537, 7995988, 8852701, 9533678, 11267074, 17705402, 19067356, 22534148, 35410804, 61968907, 123937814, 247875628]

約数ペア:

[(1, 247875628), (2, 123937814), (4, 61968907), (7, 35410804), (11, 22534148), (13, 19067356), (14, 17705402), (22, 11267074), (26, 9533678), (28, 8852701), (31, 7995988), (44, 5633537), (52, 4766839), (62, 3997994), (77, 3219164), (91, 2723908), (124, 1998997), (143, 1733396), (154, 1609582), (182, 1361954), (217, 1142284), (286, 866698), (308, 804791), (341, 726908), (364, 680977), (403, 615076), (434, 571142), (572, 433349), (682, 363454), (806, 307538), (868, 285571), (1001, 247628), (1364, 181727), (1612, 153769), (1997, 124124), (2002, 123814), (2387, 103844), (2821, 87868), (3994, 62062), (4004, 61907), (4433, 55916), (4774, 51922), (5642, 43934), (7988, 31031), (8866, 27958), (9548, 25961), (11284, 21967), (13979, 17732)]