1280451369616

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{21065599}}^1$

素因数の和:21065767

約数の個数: 40

約数和(自身を含む): 2586013056000

約数和(自身を除く): 1305561686384

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 131, 232, 262, 464, 524, 1048, 2096, 3799, 7598, 15196, 30392, 60784, 21065599, 42131198, 84262396, 168524792, 337049584, 610902371, 1221804742, 2443609484, 2759593469, 4887218968, 5519186938, 9774437936, 11038373876, 22076747752, 44153495504, 80028210601, 160056421202, 320112842404, 640225684808, 1280451369616]

約数ペア:

[(1, 1280451369616), (2, 640225684808), (4, 320112842404), (8, 160056421202), (16, 80028210601), (29, 44153495504), (58, 22076747752), (116, 11038373876), (131, 9774437936), (232, 5519186938), (262, 4887218968), (464, 2759593469), (524, 2443609484), (1048, 1221804742), (2096, 610902371), (3799, 337049584), (7598, 168524792), (15196, 84262396), (30392, 42131198), (60784, 21065599)]