870801217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 1144987200

約数和(自身を除く): 274185983

約数列:

[1, 11, 13, 17, 19, 143, 187, 209, 221, 247, 289, 323, 1109, 2431, 2717, 3179, 3553, 3757, 4199, 5491, 12199, 14417, 18853, 21071, 41327, 46189, 60401, 71383, 158587, 207383, 231781, 245089, 273923, 320501, 358207, 785213, 2695979, 3013153, 3525511, 3940277, 4166513, 4656691, 6089519, 45831643, 51223601, 66984709, 79163747, 870801217]

約数ペア:

[(1, 870801217), (11, 79163747), (13, 66984709), (17, 51223601), (19, 45831643), (143, 6089519), (187, 4656691), (209, 4166513), (221, 3940277), (247, 3525511), (289, 3013153), (323, 2695979), (1109, 785213), (2431, 358207), (2717, 320501), (3179, 273923), (3553, 245089), (3757, 231781), (4199, 207383), (5491, 158587), (12199, 71383), (14417, 60401), (18853, 46189), (21071, 41327)]