15805412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 33116160

約数和(自身を除く): 17310748

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 131, 139, 217, 262, 278, 434, 524, 556, 868, 917, 973, 1834, 1946, 3668, 3892, 4061, 4309, 8122, 8618, 16244, 17236, 18209, 28427, 30163, 36418, 56854, 60326, 72836, 113708, 120652, 127463, 254926, 509852, 564479, 1128958, 2257916, 3951353, 7902706, 15805412]

約数ペア:

[(1, 15805412), (2, 7902706), (4, 3951353), (7, 2257916), (14, 1128958), (28, 564479), (31, 509852), (62, 254926), (124, 127463), (131, 120652), (139, 113708), (217, 72836), (262, 60326), (278, 56854), (434, 36418), (524, 30163), (556, 28427), (868, 18209), (917, 17236), (973, 16244), (1834, 8618), (1946, 8122), (3668, 4309), (3892, 4061)]