261342816

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{388903}}^1$

素因数の和:388923

約数の個数: 48

約数和(自身を含む): 784030464

約数和(自身を除く): 522687648

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, 388903, 777806, 1166709, 1555612, 2333418, 2722321, 3111224, 4666836, 5444642, 6222448, 8166963, 9333672, 10889284, 12444896, 16333926, 18667344, 21778568, 32667852, 37334688, 43557136, 65335704, 87114272, 130671408, 261342816]

約数ペア:

[(1, 261342816), (2, 130671408), (3, 87114272), (4, 65335704), (6, 43557136), (7, 37334688), (8, 32667852), (12, 21778568), (14, 18667344), (16, 16333926), (21, 12444896), (24, 10889284), (28, 9333672), (32, 8166963), (42, 6222448), (48, 5444642), (56, 4666836), (84, 3111224), (96, 2722321), (112, 2333418), (168, 1555612), (224, 1166709), (336, 777806), (672, 388903)]