221868488

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 453841920

約数和(自身を除く): 231973432

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 97, 124, 184, 194, 248, 388, 401, 713, 776, 802, 1426, 1604, 2231, 2852, 3007, 3208, 4462, 5704, 6014, 8924, 9223, 12028, 12431, 17848, 18446, 24056, 24862, 36892, 38897, 49724, 69161, 73784, 77794, 99448, 138322, 155588, 276644, 285913, 311176, 553288, 571826, 894631, 1143652, 1205807, 1789262, 2287304, 2411614, 3578524, 4823228, 7157048, 9646456, 27733561, 55467122, 110934244, 221868488]

約数ペア:

[(1, 221868488), (2, 110934244), (4, 55467122), (8, 27733561), (23, 9646456), (31, 7157048), (46, 4823228), (62, 3578524), (92, 2411614), (97, 2287304), (124, 1789262), (184, 1205807), (194, 1143652), (248, 894631), (388, 571826), (401, 553288), (713, 311176), (776, 285913), (802, 276644), (1426, 155588), (1604, 138322), (2231, 99448), (2852, 77794), (3007, 73784), (3208, 69161), (4462, 49724), (5704, 38897), (6014, 36892), (8924, 24862), (9223, 24056), (12028, 18446), (12431, 17848)]