256327008

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{381439}}^1$

素因数の和:381459

約数の個数: 48

約数和(自身を含む): 768983040

約数和(自身を除く): 512656032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 381439, 762878, 1144317, 1525756, 2288634, 2670073, 3051512, 4577268, 5340146, 6103024, 8010219, 9154536, 10680292, 12206048, 16020438, 18309072, 21360584, 32040876, 36618144, 42721168, 64081752, 85442336, 128163504, 256327008]

約数ペア:

[(1, 256327008), (2, 128163504), (3, 85442336), (4, 64081752), (6, 42721168), (7, 36618144), (8, 32040876), (12, 21360584), (14, 18309072), (16, 16020438), (21, 12206048), (24, 10680292), (28, 9154536), (32, 8010219), (42, 6103024), (48, 5340146), (56, 4577268), (84, 3051512), (96, 2670073), (112, 2288634), (168, 1525756), (224, 1144317), (336, 762878), (672, 381439)]