405250321

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 502087680

約数和(自身を除く): 96837359

約数列:

[1, 7, 29, 31, 71, 203, 217, 497, 899, 907, 2059, 2201, 6293, 6349, 14413, 15407, 26303, 28117, 63829, 64397, 184121, 196819, 446803, 450779, 815393, 1867513, 1996307, 5707751, 13072591, 13974149, 57892903, 405250321]

約数ペア:

[(1, 405250321), (7, 57892903), (29, 13974149), (31, 13072591), (71, 5707751), (203, 1996307), (217, 1867513), (497, 815393), (899, 450779), (907, 446803), (2059, 196819), (2201, 184121), (6293, 64397), (6349, 63829), (14413, 28117), (15407, 26303)]