201082819

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 242234496

約数和(自身を除く): 41151677

約数列:

[1, 7, 41, 49, 101, 287, 707, 991, 2009, 4141, 4949, 6937, 28987, 40631, 48559, 100091, 202909, 284417, 700637, 1990919, 4103731, 4904459, 28726117, 201082819]

約数ペア:

[(1, 201082819), (7, 28726117), (41, 4904459), (49, 4103731), (101, 1990919), (287, 700637), (707, 284417), (991, 202909), (2009, 100091), (4141, 48559), (4949, 40631), (6937, 28987)]