201057871

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{1019}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 233832960

約数和(自身を除く): 32775089

約数列:

[1, 7, 71, 397, 497, 1019, 2779, 7133, 28187, 72349, 197309, 404543, 506443, 2831801, 28722553, 201057871]

約数ペア:

[(1, 201057871), (7, 28722553), (71, 2831801), (397, 506443), (497, 404543), (1019, 197309), (2779, 72349), (7133, 28187)]