27990508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 60850944

約数和(自身を除く): 32860436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 524, 587, 917, 1174, 1703, 1834, 2348, 3406, 3668, 4109, 6812, 7631, 8218, 11921, 15262, 16436, 23842, 30524, 47684, 53417, 76897, 106834, 153794, 213668, 307588, 538279, 999661, 1076558, 1999322, 2153116, 3998644, 6997627, 13995254, 27990508]

約数ペア:

[(1, 27990508), (2, 13995254), (4, 6997627), (7, 3998644), (13, 2153116), (14, 1999322), (26, 1076558), (28, 999661), (52, 538279), (91, 307588), (131, 213668), (182, 153794), (262, 106834), (364, 76897), (524, 53417), (587, 47684), (917, 30524), (1174, 23842), (1703, 16436), (1834, 15262), (2348, 11921), (3406, 8218), (3668, 7631), (4109, 6812)]