16205675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2243}}^1$

素因数の和:2287

約数の個数: 18

約数和(自身を含む): 21356148

約数和(自身を除く): 5150473

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 2243, 7225, 11215, 38131, 56075, 190655, 648227, 953275, 3241135, 16205675]

約数ペア:

[(1, 16205675), (5, 3241135), (17, 953275), (25, 648227), (85, 190655), (289, 56075), (425, 38131), (1445, 11215), (2243, 7225)]