68157728

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 137712960

約数和(自身を除く): 69555232

約数列:

[1, 2, 4, 8, 16, 32, 71, 131, 142, 229, 262, 284, 458, 524, 568, 916, 1048, 1136, 1832, 2096, 2272, 3664, 4192, 7328, 9301, 16259, 18602, 29999, 32518, 37204, 59998, 65036, 74408, 119996, 130072, 148816, 239992, 260144, 297632, 479984, 520288, 959968, 2129929, 4259858, 8519716, 17039432, 34078864, 68157728]

約数ペア:

[(1, 68157728), (2, 34078864), (4, 17039432), (8, 8519716), (16, 4259858), (32, 2129929), (71, 959968), (131, 520288), (142, 479984), (229, 297632), (262, 260144), (284, 239992), (458, 148816), (524, 130072), (568, 119996), (916, 74408), (1048, 65036), (1136, 59998), (1832, 37204), (2096, 32518), (2272, 29999), (3664, 18602), (4192, 16259), (7328, 9301)]