388655848

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{7237}}^1$

素因数の和:7394

約数の個数: 48

約数和(自身を含む): 854011620

約数和(自身を除く): 465355772

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 392, 548, 959, 1096, 1918, 3836, 6713, 7237, 7672, 13426, 14474, 26852, 28948, 50659, 53704, 57896, 101318, 202636, 354613, 405272, 709226, 991469, 1418452, 1982938, 2836904, 3965876, 6940283, 7931752, 13880566, 27761132, 48581981, 55522264, 97163962, 194327924, 388655848]

約数ペア:

[(1, 388655848), (2, 194327924), (4, 97163962), (7, 55522264), (8, 48581981), (14, 27761132), (28, 13880566), (49, 7931752), (56, 6940283), (98, 3965876), (137, 2836904), (196, 1982938), (274, 1418452), (392, 991469), (548, 709226), (959, 405272), (1096, 354613), (1918, 202636), (3836, 101318), (6713, 57896), (7237, 53704), (7672, 50659), (13426, 28948), (14474, 26852)]