28222805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25541}}^1$

素因数の和:25576

約数の個数: 16

約数和(自身を含む): 38619504

約数和(自身を除く): 10396699

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 25541, 127705, 332033, 434197, 1660165, 2170985, 5644561, 28222805]

約数ペア:

[(1, 28222805), (5, 5644561), (13, 2170985), (17, 1660165), (65, 434197), (85, 332033), (221, 127705), (1105, 25541)]