188045907

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 325386240

約数和(自身を除く): 137340333

約数列:

[1, 3, 7, 19, 21, 23, 31, 57, 69, 93, 133, 161, 217, 399, 437, 483, 589, 651, 661, 713, 1311, 1767, 1983, 2139, 3059, 4123, 4627, 4991, 9177, 12369, 12559, 13547, 13881, 14973, 15203, 20491, 37677, 40641, 45609, 61473, 87913, 94829, 106421, 143437, 263739, 284487, 288857, 319263, 389329, 430311, 471293, 866571, 1167987, 1413879, 2021999, 2725303, 3299051, 6065997, 8175909, 8954567, 9897153, 26863701, 62681969, 188045907]

約数ペア:

[(1, 188045907), (3, 62681969), (7, 26863701), (19, 9897153), (21, 8954567), (23, 8175909), (31, 6065997), (57, 3299051), (69, 2725303), (93, 2021999), (133, 1413879), (161, 1167987), (217, 866571), (399, 471293), (437, 430311), (483, 389329), (589, 319263), (651, 288857), (661, 284487), (713, 263739), (1311, 143437), (1767, 106421), (1983, 94829), (2139, 87913), (3059, 61473), (4123, 45609), (4627, 40641), (4991, 37677), (9177, 20491), (12369, 15203), (12559, 14973), (13547, 13881)]