678493947

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{619}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 962438400

約数和(自身を除く): 283944453

約数列:

[1, 3, 29, 43, 87, 129, 293, 619, 879, 1247, 1857, 3741, 8497, 12599, 17951, 25491, 26617, 37797, 53853, 79851, 181367, 365371, 544101, 771893, 1096113, 2315679, 5259643, 7798781, 15778929, 23396343, 226164649, 678493947]

約数ペア:

[(1, 678493947), (3, 226164649), (29, 23396343), (43, 15778929), (87, 7798781), (129, 5259643), (293, 2315679), (619, 1096113), (879, 771893), (1247, 544101), (1857, 365371), (3741, 181367), (8497, 79851), (12599, 53853), (17951, 37797), (25491, 26617)]