15721288

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32917500

約数和(自身を除く): 17196212

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 121, 149, 218, 242, 298, 436, 484, 596, 872, 968, 1192, 1199, 1639, 2398, 3278, 4796, 6556, 9592, 13112, 13189, 16241, 18029, 26378, 32482, 36058, 52756, 64964, 72116, 105512, 129928, 144232, 178651, 357302, 714604, 1429208, 1965161, 3930322, 7860644, 15721288]

約数ペア:

[(1, 15721288), (2, 7860644), (4, 3930322), (8, 1965161), (11, 1429208), (22, 714604), (44, 357302), (88, 178651), (109, 144232), (121, 129928), (149, 105512), (218, 72116), (242, 64964), (298, 52756), (436, 36058), (484, 32482), (596, 26378), (872, 18029), (968, 16241), (1192, 13189), (1199, 13112), (1639, 9592), (2398, 6556), (3278, 4796)]