25165672

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 31080728

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 61, 106, 122, 139, 212, 244, 278, 371, 424, 427, 488, 556, 742, 854, 973, 1112, 1484, 1708, 1946, 2968, 3233, 3416, 3892, 6466, 7367, 7784, 8479, 12932, 14734, 16958, 22631, 25864, 29468, 33916, 45262, 51569, 58936, 59353, 67832, 90524, 103138, 118706, 181048, 206276, 237412, 412552, 449387, 474824, 898774, 1797548, 3145709, 3595096, 6291418, 12582836, 25165672]

約数ペア:

[(1, 25165672), (2, 12582836), (4, 6291418), (7, 3595096), (8, 3145709), (14, 1797548), (28, 898774), (53, 474824), (56, 449387), (61, 412552), (106, 237412), (122, 206276), (139, 181048), (212, 118706), (244, 103138), (278, 90524), (371, 67832), (424, 59353), (427, 58936), (488, 51569), (556, 45262), (742, 33916), (854, 29468), (973, 25864), (1112, 22631), (1484, 16958), (1708, 14734), (1946, 12932), (2968, 8479), (3233, 7784), (3416, 7367), (3892, 6466)]