68928314

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 138485760

約数和(自身を除く): 69557446

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 91, 133, 182, 217, 247, 266, 403, 434, 494, 589, 643, 806, 1178, 1286, 1729, 2821, 3458, 4123, 4501, 5642, 7657, 8246, 8359, 9002, 12217, 15314, 16718, 19933, 24434, 39866, 53599, 58513, 85519, 107198, 117026, 139531, 158821, 171038, 259129, 279062, 317642, 378727, 518258, 757454, 1111747, 1813903, 2223494, 2651089, 3627806, 4923451, 5302178, 9846902, 34464157, 68928314]

約数ペア:

[(1, 68928314), (2, 34464157), (7, 9846902), (13, 5302178), (14, 4923451), (19, 3627806), (26, 2651089), (31, 2223494), (38, 1813903), (62, 1111747), (91, 757454), (133, 518258), (182, 378727), (217, 317642), (247, 279062), (266, 259129), (403, 171038), (434, 158821), (494, 139531), (589, 117026), (643, 107198), (806, 85519), (1178, 58513), (1286, 53599), (1729, 39866), (2821, 24434), (3458, 19933), (4123, 16718), (4501, 15314), (5642, 12217), (7657, 9002), (8246, 8359)]