89915903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 116981760

約数和(自身を除く): 27065857

約数列:

[1, 7, 11, 31, 77, 139, 217, 271, 341, 973, 1529, 1897, 2387, 2981, 4309, 8401, 10703, 20867, 30163, 37669, 47399, 58807, 92411, 263683, 331793, 414359, 646877, 1167739, 2900513, 8174173, 12845129, 89915903]

約数ペア:

[(1, 89915903), (7, 12845129), (11, 8174173), (31, 2900513), (77, 1167739), (139, 646877), (217, 414359), (271, 331793), (341, 263683), (973, 92411), (1529, 58807), (1897, 47399), (2387, 37669), (2981, 30163), (4309, 20867), (8401, 10703)]