12791888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 26516160

約数和(自身を除く): 13724272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 359, 524, 718, 1048, 1436, 2096, 2227, 2872, 4454, 5744, 6103, 8908, 12206, 17816, 24412, 35632, 47029, 48824, 94058, 97648, 188116, 376232, 752464, 799493, 1598986, 3197972, 6395944, 12791888]

約数ペア:

[(1, 12791888), (2, 6395944), (4, 3197972), (8, 1598986), (16, 799493), (17, 752464), (34, 376232), (68, 188116), (131, 97648), (136, 94058), (262, 48824), (272, 47029), (359, 35632), (524, 24412), (718, 17816), (1048, 12206), (1436, 8908), (2096, 6103), (2227, 5744), (2872, 4454)]