898405921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 1096704000

約数和(自身を除く): 198298079

約数列:

[1, 7, 23, 59, 161, 271, 349, 413, 1357, 1897, 2443, 6233, 8027, 9499, 15989, 20591, 43631, 56189, 94579, 111923, 144137, 367747, 473593, 662053, 2175317, 2574229, 3315151, 5580161, 15227219, 39061127, 128343703, 898405921]

約数ペア:

[(1, 898405921), (7, 128343703), (23, 39061127), (59, 15227219), (161, 5580161), (271, 3315151), (349, 2574229), (413, 2175317), (1357, 662053), (1897, 473593), (2443, 367747), (6233, 144137), (8027, 111923), (9499, 94579), (15989, 56189), (20591, 43631)]