208331378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 332916480

約数和(自身を除く): 124585102

約数列:

[1, 2, 23, 46, 89, 151, 178, 302, 337, 674, 2047, 3473, 4094, 6946, 7751, 13439, 15502, 26878, 29993, 50887, 59986, 101774, 309097, 618194, 689839, 1170401, 1379678, 2340802, 4528943, 9057886, 104165689, 208331378]

約数ペア:

[(1, 208331378), (2, 104165689), (23, 9057886), (46, 4528943), (89, 2340802), (151, 1379678), (178, 1170401), (302, 689839), (337, 618194), (674, 309097), (2047, 101774), (3473, 59986), (4094, 50887), (6946, 29993), (7751, 26878), (13439, 15502)]