1978291

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 2374848

約数和(自身を除く): 396557

約数列:

[1, 7, 41, 61, 113, 287, 427, 791, 2501, 4633, 6893, 17507, 32431, 48251, 282613, 1978291]

約数ペア:

[(1, 1978291), (7, 282613), (41, 48251), (61, 32431), (113, 17507), (287, 6893), (427, 4633), (791, 2501)]