213567257

素因数分解:

${\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 221756160

約数和(自身を除く): 8188903

約数列:

[1, 67, 79, 157, 257, 5293, 10519, 12403, 17219, 20303, 40349, 831001, 1360301, 2703383, 3187571, 213567257]

約数ペア:

[(1, 213567257), (67, 3187571), (79, 2703383), (157, 1360301), (257, 831001), (5293, 40349), (10519, 20303), (12403, 17219)]