205737455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{18427}}^1$

素因数の和:18479

約数の個数: 32

約数和(自身を含む): 318435840

約数和(自身を除く): 112698385

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 11165, 18427, 92135, 128989, 202697, 534383, 644945, 1013485, 1418879, 2671915, 3740681, 5878213, 7094395, 18703405, 29391065, 41147491, 205737455]

約数ペア:

[(1, 205737455), (5, 41147491), (7, 29391065), (11, 18703405), (29, 7094395), (35, 5878213), (55, 3740681), (77, 2671915), (145, 1418879), (203, 1013485), (319, 644945), (385, 534383), (1015, 202697), (1595, 128989), (2233, 92135), (11165, 18427)]