257807652

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 647794560

約数和(自身を除く): 389986908

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 158, 204, 237, 289, 316, 474, 578, 867, 941, 948, 1156, 1343, 1734, 1882, 2686, 2823, 3468, 3764, 4029, 5372, 5646, 8058, 11292, 15997, 16116, 22831, 31994, 45662, 47991, 63988, 68493, 74339, 91324, 95982, 136986, 148678, 191964, 223017, 271949, 273972, 297356, 446034, 543898, 815847, 892068, 1087796, 1263763, 1631694, 2527526, 3263388, 3791289, 5055052, 7582578, 15165156, 21483971, 42967942, 64451913, 85935884, 128903826, 257807652]

約数ペア:

[(1, 257807652), (2, 128903826), (3, 85935884), (4, 64451913), (6, 42967942), (12, 21483971), (17, 15165156), (34, 7582578), (51, 5055052), (68, 3791289), (79, 3263388), (102, 2527526), (158, 1631694), (204, 1263763), (237, 1087796), (289, 892068), (316, 815847), (474, 543898), (578, 446034), (867, 297356), (941, 273972), (948, 271949), (1156, 223017), (1343, 191964), (1734, 148678), (1882, 136986), (2686, 95982), (2823, 91324), (3468, 74339), (3764, 68493), (4029, 63988), (5372, 47991), (5646, 45662), (8058, 31994), (11292, 22831), (15997, 16116)]