550040905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 697614336

約数和(自身を除く): 147573431

約数列:

[1, 5, 31, 71, 151, 155, 331, 355, 755, 1655, 2201, 4681, 10261, 10721, 11005, 23405, 23501, 49981, 51305, 53605, 117505, 249905, 332351, 728531, 1549411, 1661755, 3548651, 3642655, 7747055, 17743255, 110008181, 550040905]

約数ペア:

[(1, 550040905), (5, 110008181), (31, 17743255), (71, 7747055), (151, 3642655), (155, 3548651), (331, 1661755), (355, 1549411), (755, 728531), (1655, 332351), (2201, 249905), (4681, 117505), (10261, 53605), (10721, 51305), (11005, 49981), (23405, 23501)]