87868487

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 106972320

約数和(自身を除く): 19103833

約数列:

[1, 7, 23, 61, 161, 389, 427, 529, 1403, 2723, 3703, 8947, 9821, 23729, 32269, 62629, 166103, 205781, 225883, 545767, 1440467, 3820369, 12552641, 87868487]

約数ペア:

[(1, 87868487), (7, 12552641), (23, 3820369), (61, 1440467), (161, 545767), (389, 225883), (427, 205781), (529, 166103), (1403, 62629), (2723, 32269), (3703, 23729), (8947, 9821)]