209550328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64997}}^1$

素因数の和:65047

約数の個数: 32

約数和(自身を含む): 436786560

約数和(自身を除く): 227236232

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 64997, 129994, 259988, 519976, 844961, 1689922, 2014907, 3379844, 4029814, 6759688, 8059628, 16119256, 26193791, 52387582, 104775164, 209550328]

約数ペア:

[(1, 209550328), (2, 104775164), (4, 52387582), (8, 26193791), (13, 16119256), (26, 8059628), (31, 6759688), (52, 4029814), (62, 3379844), (104, 2014907), (124, 1689922), (248, 844961), (403, 519976), (806, 259988), (1612, 129994), (3224, 64997)]