221400000004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1567589}}^1$

素因数の和:1567708

約数の個数: 48

約数和(自身を含む): 429795555840

約数和(自身を除く): 208395555836

約数列:

[1, 2, 4, 17, 31, 34, 62, 67, 68, 124, 134, 268, 527, 1054, 1139, 2077, 2108, 2278, 4154, 4556, 8308, 35309, 70618, 141236, 1567589, 3135178, 6270356, 26649013, 48595259, 53298026, 97190518, 105028463, 106596052, 194381036, 210056926, 420113852, 826119403, 1652238806, 1785483871, 3255882353, 3304477612, 3570967742, 6511764706, 7141935484, 13023529412, 55350000001, 110700000002, 221400000004]

約数ペア:

[(1, 221400000004), (2, 110700000002), (4, 55350000001), (17, 13023529412), (31, 7141935484), (34, 6511764706), (62, 3570967742), (67, 3304477612), (68, 3255882353), (124, 1785483871), (134, 1652238806), (268, 826119403), (527, 420113852), (1054, 210056926), (1139, 194381036), (2077, 106596052), (2108, 105028463), (2278, 97190518), (4154, 53298026), (4556, 48595259), (8308, 26649013), (35309, 6270356), (70618, 3135178), (141236, 1567589)]