438809921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{1249}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 516900000

約数和(自身を除く): 78090079

約数列:

[1, 11, 19, 41, 209, 451, 779, 1249, 1681, 8569, 13739, 18491, 23731, 31939, 51209, 261041, 351329, 563299, 972971, 2099569, 10702681, 23095259, 39891811, 438809921]

約数ペア:

[(1, 438809921), (11, 39891811), (19, 23095259), (41, 10702681), (209, 2099569), (451, 972971), (779, 563299), (1249, 351329), (1681, 261041), (8569, 51209), (13739, 31939), (18491, 23731)]