289125928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397151}}^1$

素因数の和:397177

約数の個数: 32

約数和(自身を含む): 667215360

約数和(自身を除く): 378089432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 397151, 794302, 1588604, 2780057, 3177208, 5162963, 5560114, 10325926, 11120228, 20651852, 22240456, 36140741, 41303704, 72281482, 144562964, 289125928]

約数ペア:

[(1, 289125928), (2, 144562964), (4, 72281482), (7, 41303704), (8, 36140741), (13, 22240456), (14, 20651852), (26, 11120228), (28, 10325926), (52, 5560114), (56, 5162963), (91, 3177208), (104, 2780057), (182, 1588604), (364, 794302), (728, 397151)]