260188516

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{19081}}^1$

素因数の和:19579

約数の個数: 24

約数和(自身を含む): 521472896

約数和(自身を除く): 261284380

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 13636, 19081, 38162, 76324, 133567, 267134, 534268, 9292447, 18584894, 37169788, 65047129, 130094258, 260188516]

約数ペア:

[(1, 260188516), (2, 130094258), (4, 65047129), (7, 37169788), (14, 18584894), (28, 9292447), (487, 534268), (974, 267134), (1948, 133567), (3409, 76324), (6818, 38162), (13636, 19081)]