397719931

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{709}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 459489280

約数和(自身を除く): 61769349

約数列:

[1, 7, 127, 631, 709, 889, 4417, 4963, 80137, 90043, 447379, 560959, 630301, 3131653, 56817133, 397719931]

約数ペア:

[(1, 397719931), (7, 56817133), (127, 3131653), (631, 630301), (709, 560959), (889, 447379), (4417, 90043), (4963, 80137)]