87438890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113557}}^1$

素因数の和:113582

約数の個数: 32

約数和(自身を含む): 196228224

約数和(自身を除く): 108789334

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 113557, 227114, 567785, 794899, 1135570, 1249127, 1589798, 2498254, 3974495, 6245635, 7948990, 8743889, 12491270, 17487778, 43719445, 87438890]

約数ペア:

[(1, 87438890), (2, 43719445), (5, 17487778), (7, 12491270), (10, 8743889), (11, 7948990), (14, 6245635), (22, 3974495), (35, 2498254), (55, 1589798), (70, 1249127), (77, 1135570), (110, 794899), (154, 567785), (385, 227114), (770, 113557)]