258650644

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{66457}}^1$

素因数の和:66607

約数の個数: 24

約数和(自身を含む): 521030720

約数和(自身を除く): 262380076

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 66457, 132914, 265828, 465199, 930398, 1860796, 9237523, 18475046, 36950092, 64662661, 129325322, 258650644]

約数ペア:

[(1, 258650644), (2, 129325322), (4, 64662661), (7, 36950092), (14, 18475046), (28, 9237523), (139, 1860796), (278, 930398), (556, 465199), (973, 265828), (1946, 132914), (3892, 66457)]