1287808393874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{76646137}}^1$

素因数の和:76646441

約数の個数: 16

約数和(自身を含む): 2001383955456

約数和(自身を除く): 713575561582

約数列:

[1, 2, 31, 62, 271, 542, 8401, 16802, 76646137, 153292274, 2376030247, 4752060494, 20771103127, 41542206254, 643904196937, 1287808393874]

約数ペア:

[(1, 1287808393874), (2, 643904196937), (31, 41542206254), (62, 20771103127), (271, 4752060494), (542, 2376030247), (8401, 153292274), (16802, 76646137)]