25806172

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 54371520

約数和(自身を除く): 28565348

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 61, 116, 122, 203, 244, 406, 427, 521, 812, 854, 1042, 1708, 1769, 2084, 3538, 3647, 7076, 7294, 12383, 14588, 15109, 24766, 30218, 31781, 49532, 60436, 63562, 105763, 127124, 211526, 222467, 423052, 444934, 889868, 921649, 1843298, 3686596, 6451543, 12903086, 25806172]

約数ペア:

[(1, 25806172), (2, 12903086), (4, 6451543), (7, 3686596), (14, 1843298), (28, 921649), (29, 889868), (58, 444934), (61, 423052), (116, 222467), (122, 211526), (203, 127124), (244, 105763), (406, 63562), (427, 60436), (521, 49532), (812, 31781), (854, 30218), (1042, 24766), (1708, 15109), (1769, 14588), (2084, 12383), (3538, 7294), (3647, 7076)]