137890207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 175633920

約数和(自身を除く): 37743713

約数列:

[1, 7, 13, 43, 91, 131, 269, 301, 559, 917, 1703, 1883, 3497, 3913, 5633, 11567, 11921, 24479, 35239, 39431, 73229, 80969, 150371, 246673, 458107, 512603, 1052597, 1515277, 3206749, 10606939, 19698601, 137890207]

約数ペア:

[(1, 137890207), (7, 19698601), (13, 10606939), (43, 3206749), (91, 1515277), (131, 1052597), (269, 512603), (301, 458107), (559, 246673), (917, 150371), (1703, 80969), (1883, 73229), (3497, 39431), (3913, 35239), (5633, 24479), (11567, 11921)]