388600135

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{20599}}^1$

素因数の和:20636

約数の個数: 32

約数和(自身を含む): 593280000

約数和(自身を除く): 204679865

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 18865, 20599, 102995, 144193, 226589, 720965, 1009351, 1132945, 1586123, 5046755, 7065457, 7930615, 11102861, 35327285, 55514305, 77720027, 388600135]

約数ペア:

[(1, 388600135), (5, 77720027), (7, 55514305), (11, 35327285), (35, 11102861), (49, 7930615), (55, 7065457), (77, 5046755), (245, 1586123), (343, 1132945), (385, 1009351), (539, 720965), (1715, 226589), (2695, 144193), (3773, 102995), (18865, 20599)]