81377758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12289}}^1$

素因数の和:12352

約数の個数: 32

約数和(自身を含む): 155738880

約数和(自身を除く): 74361122

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3311, 6622, 12289, 24578, 86023, 135179, 172046, 270358, 528427, 946253, 1056854, 1892506, 3698989, 5812697, 7397978, 11625394, 40688879, 81377758]

約数ペア:

[(1, 81377758), (2, 40688879), (7, 11625394), (11, 7397978), (14, 5812697), (22, 3698989), (43, 1892506), (77, 1056854), (86, 946253), (154, 528427), (301, 270358), (473, 172046), (602, 135179), (946, 86023), (3311, 24578), (6622, 12289)]