389600681

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 416285760

約数和(自身を除く): 26685079

約数列:

[1, 19, 131, 157, 997, 2489, 2983, 18943, 20567, 130607, 156529, 390773, 2481533, 2974051, 20505299, 389600681]

約数ペア:

[(1, 389600681), (19, 20505299), (131, 2974051), (157, 2481533), (997, 390773), (2489, 156529), (2983, 130607), (18943, 20567)]