207908519

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4597}}^1$

素因数の和:4695

約数の個数: 24

約数和(自身を含む): 264182688

約数和(自身を除く): 56274169

約数列:

[1, 7, 13, 49, 71, 91, 497, 637, 923, 3479, 4597, 6461, 32179, 45227, 59761, 225253, 326387, 418327, 2284709, 2928289, 4243031, 15992963, 29701217, 207908519]

約数ペア:

[(1, 207908519), (7, 29701217), (13, 15992963), (49, 4243031), (71, 2928289), (91, 2284709), (497, 418327), (637, 326387), (923, 225253), (3479, 59761), (4597, 45227), (6461, 32179)]