66686963

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 78059520

約数和(自身を除く): 11372557

約数列:

[1, 7, 71, 109, 497, 763, 1231, 7739, 8617, 54173, 87401, 134179, 611807, 939253, 9526709, 66686963]

約数ペア:

[(1, 66686963), (7, 9526709), (71, 939253), (109, 611807), (497, 134179), (763, 87401), (1231, 54173), (7739, 8617)]