7137928

素因数分解:

$2^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 15800400

約数和(自身を除く): 8662472

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 131, 139, 196, 262, 278, 392, 524, 556, 917, 973, 1048, 1112, 1834, 1946, 3668, 3892, 6419, 6811, 7336, 7784, 12838, 13622, 18209, 25676, 27244, 36418, 51352, 54488, 72836, 127463, 145672, 254926, 509852, 892241, 1019704, 1784482, 3568964, 7137928]

約数ペア:

[(1, 7137928), (2, 3568964), (4, 1784482), (7, 1019704), (8, 892241), (14, 509852), (28, 254926), (49, 145672), (56, 127463), (98, 72836), (131, 54488), (139, 51352), (196, 36418), (262, 27244), (278, 25676), (392, 18209), (524, 13622), (556, 12838), (917, 7784), (973, 7336), (1048, 6811), (1112, 6419), (1834, 3892), (1946, 3668)]