123937814

素因数分解:

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

素因数の和:2061

約数の個数: 64

約数和(自身を含む): 257789952

約数和(自身を除く): 133852138

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 182, 217, 286, 341, 403, 434, 682, 806, 1001, 1997, 2002, 2387, 2821, 3994, 4433, 4774, 5642, 8866, 13979, 21967, 25961, 27958, 31031, 43934, 51922, 61907, 62062, 123814, 153769, 181727, 285571, 307538, 363454, 433349, 571142, 680977, 804791, 866698, 1361954, 1609582, 1998997, 3997994, 4766839, 5633537, 8852701, 9533678, 11267074, 17705402, 61968907, 123937814]

約数ペア:

[(1, 123937814), (2, 61968907), (7, 17705402), (11, 11267074), (13, 9533678), (14, 8852701), (22, 5633537), (26, 4766839), (31, 3997994), (62, 1998997), (77, 1609582), (91, 1361954), (143, 866698), (154, 804791), (182, 680977), (217, 571142), (286, 433349), (341, 363454), (403, 307538), (434, 285571), (682, 181727), (806, 153769), (1001, 123814), (1997, 62062), (2002, 61907), (2387, 51922), (2821, 43934), (3994, 31031), (4433, 27958), (4774, 25961), (5642, 21967), (8866, 13979)]