391000225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{203117}}^1$

素因数の和:203145

約数の個数: 24

約数和(自身を含む): 604479168

約数和(自身を除く): 213478943

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 203117, 1015585, 1421819, 2234287, 5077925, 7109095, 11171435, 15640009, 35545475, 55857175, 78200045, 391000225]

約数ペア:

[(1, 391000225), (5, 78200045), (7, 55857175), (11, 35545475), (25, 15640009), (35, 11171435), (55, 7109095), (77, 5077925), (175, 2234287), (275, 1421819), (385, 1015585), (1925, 203117)]