664924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 1321040

約数和(自身を除く): 656116

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 673, 988, 1346, 2692, 8749, 12787, 17498, 25574, 34996, 51148, 166231, 332462, 664924]

約数ペア:

[(1, 664924), (2, 332462), (4, 166231), (13, 51148), (19, 34996), (26, 25574), (38, 17498), (52, 12787), (76, 8749), (247, 2692), (494, 1346), (673, 988)]