128163504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{381439}}^1$

素因数の和:381457

約数の個数: 40

約数和(自身を含む): 378388480

約数和(自身を除く): 250224976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 381439, 762878, 1144317, 1525756, 2288634, 2670073, 3051512, 4577268, 5340146, 6103024, 8010219, 9154536, 10680292, 16020438, 18309072, 21360584, 32040876, 42721168, 64081752, 128163504]

約数ペア:

[(1, 128163504), (2, 64081752), (3, 42721168), (4, 32040876), (6, 21360584), (7, 18309072), (8, 16020438), (12, 10680292), (14, 9154536), (16, 8010219), (21, 6103024), (24, 5340146), (28, 4577268), (42, 3051512), (48, 2670073), (56, 2288634), (84, 1525756), (112, 1144317), (168, 762878), (336, 381439)]