25621036

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 28004564

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 203, 227, 278, 406, 454, 556, 812, 908, 973, 1589, 1946, 3178, 3892, 4031, 6356, 6583, 8062, 13166, 16124, 26332, 28217, 31553, 46081, 56434, 63106, 92162, 112868, 126212, 184324, 220871, 441742, 883484, 915037, 1830074, 3660148, 6405259, 12810518, 25621036]

約数ペア:

[(1, 25621036), (2, 12810518), (4, 6405259), (7, 3660148), (14, 1830074), (28, 915037), (29, 883484), (58, 441742), (116, 220871), (139, 184324), (203, 126212), (227, 112868), (278, 92162), (406, 63106), (454, 56434), (556, 46081), (812, 31553), (908, 28217), (973, 26332), (1589, 16124), (1946, 13166), (3178, 8062), (3892, 6583), (4031, 6356)]