157400009

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{49019}}^1$

素因数の和:49064

約数の個数: 12

約数和(自身を含む): 179413200

約数和(自身を除く): 22013191

約数列:

[1, 13, 19, 169, 247, 3211, 49019, 637247, 931361, 8284211, 12107693, 157400009]

約数ペア:

[(1, 157400009), (13, 12107693), (19, 8284211), (169, 931361), (247, 637247), (3211, 49019)]