25519844

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 27164956

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 139, 158, 166, 278, 316, 332, 553, 556, 581, 973, 1106, 1162, 1946, 2212, 2324, 3892, 6557, 10981, 11537, 13114, 21962, 23074, 26228, 43924, 45899, 46148, 76867, 80759, 91798, 153734, 161518, 183596, 307468, 323036, 911423, 1822846, 3645692, 6379961, 12759922, 25519844]

約数ペア:

[(1, 25519844), (2, 12759922), (4, 6379961), (7, 3645692), (14, 1822846), (28, 911423), (79, 323036), (83, 307468), (139, 183596), (158, 161518), (166, 153734), (278, 91798), (316, 80759), (332, 76867), (553, 46148), (556, 45899), (581, 43924), (973, 26228), (1106, 23074), (1162, 21962), (1946, 13114), (2212, 11537), (2324, 10981), (3892, 6557)]