215989816

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 476928000

約数和(自身を除く): 260938184

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 137, 188, 274, 329, 376, 548, 599, 658, 959, 1096, 1198, 1316, 1918, 2396, 2632, 3836, 4193, 4792, 6439, 7672, 8386, 12878, 16772, 25756, 28153, 33544, 45073, 51512, 56306, 82063, 90146, 112612, 164126, 180292, 197071, 225224, 328252, 360584, 394142, 574441, 656504, 788284, 1148882, 1576568, 2297764, 3856961, 4595528, 7713922, 15427844, 26998727, 30855688, 53997454, 107994908, 215989816]

約数ペア:

[(1, 215989816), (2, 107994908), (4, 53997454), (7, 30855688), (8, 26998727), (14, 15427844), (28, 7713922), (47, 4595528), (56, 3856961), (94, 2297764), (137, 1576568), (188, 1148882), (274, 788284), (329, 656504), (376, 574441), (548, 394142), (599, 360584), (658, 328252), (959, 225224), (1096, 197071), (1198, 180292), (1316, 164126), (1918, 112612), (2396, 90146), (2632, 82063), (3836, 56306), (4193, 51512), (4792, 45073), (6439, 33544), (7672, 28153), (8386, 25756), (12878, 16772)]