208213019

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{14321}}^1$

素因数の和:14426

約数の個数: 16

約数和(自身を含む): 249317376

約数和(自身を除く): 41104357

約数列:

[1, 7, 31, 67, 217, 469, 2077, 14321, 14539, 100247, 443951, 959507, 3107657, 6716549, 29744717, 208213019]

約数ペア:

[(1, 208213019), (7, 29744717), (31, 6716549), (67, 3107657), (217, 959507), (469, 443951), (2077, 100247), (14321, 14539)]