7825454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 15912960

約数和(自身を除く): 8087506

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 73, 91, 133, 146, 182, 217, 247, 266, 403, 434, 494, 511, 589, 806, 949, 1022, 1178, 1387, 1729, 1898, 2263, 2774, 2821, 3458, 4123, 4526, 5642, 6643, 7657, 8246, 9709, 13286, 15314, 15841, 18031, 19418, 29419, 31682, 36062, 42997, 53599, 58838, 85994, 107198, 126217, 205933, 252434, 300979, 411866, 558961, 601958, 1117922, 3912727, 7825454]

約数ペア:

[(1, 7825454), (2, 3912727), (7, 1117922), (13, 601958), (14, 558961), (19, 411866), (26, 300979), (31, 252434), (38, 205933), (62, 126217), (73, 107198), (91, 85994), (133, 58838), (146, 53599), (182, 42997), (217, 36062), (247, 31682), (266, 29419), (403, 19418), (434, 18031), (494, 15841), (511, 15314), (589, 13286), (806, 9709), (949, 8246), (1022, 7657), (1178, 6643), (1387, 5642), (1729, 4526), (1898, 4123), (2263, 3458), (2774, 2821)]