16189225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 21864920

約数和(自身を除く): 5675695

約数列:

[1, 5, 13, 25, 65, 109, 325, 457, 545, 1417, 2285, 2725, 5941, 7085, 11425, 29705, 35425, 49813, 148525, 249065, 647569, 1245325, 3237845, 16189225]

約数ペア:

[(1, 16189225), (5, 3237845), (13, 1245325), (25, 647569), (65, 249065), (109, 148525), (325, 49813), (457, 35425), (545, 29705), (1417, 11425), (2285, 7085), (2725, 5941)]