2103991687

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 2498840064

約数和(自身を除く): 394848377

約数列:

[1, 7, 61, 67, 251, 293, 427, 469, 1757, 2051, 4087, 15311, 16817, 17873, 19631, 28609, 73543, 107177, 117719, 125111, 137417, 514801, 1025837, 1197491, 4486123, 4927381, 7180859, 8382437, 31402861, 34491667, 300570241, 2103991687]

約数ペア:

[(1, 2103991687), (7, 300570241), (61, 34491667), (67, 31402861), (251, 8382437), (293, 7180859), (427, 4927381), (469, 4486123), (1757, 1197491), (2051, 1025837), (4087, 514801), (15311, 137417), (16817, 125111), (17873, 117719), (19631, 107177), (28609, 73543)]