26477945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 9810055

約数列:

[1, 5, 13, 23, 65, 89, 115, 199, 299, 445, 995, 1157, 1495, 2047, 2587, 4577, 5785, 10235, 12935, 17711, 22885, 26611, 59501, 88555, 133055, 230243, 297505, 407353, 1151215, 2036765, 5295589, 26477945]

約数ペア:

[(1, 26477945), (5, 5295589), (13, 2036765), (23, 1151215), (65, 407353), (89, 297505), (115, 230243), (199, 133055), (299, 88555), (445, 59501), (995, 26611), (1157, 22885), (1495, 17711), (2047, 12935), (2587, 10235), (4577, 5785)]