2949245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 4074504

約数和(自身を除く): 1125259

約数列:

[1, 5, 13, 17, 65, 85, 157, 221, 289, 785, 1105, 1445, 2041, 2669, 3757, 10205, 13345, 18785, 34697, 45373, 173485, 226865, 589849, 2949245]

約数ペア:

[(1, 2949245), (5, 589849), (13, 226865), (17, 173485), (65, 45373), (85, 34697), (157, 18785), (221, 13345), (289, 10205), (785, 3757), (1105, 2669), (1445, 2041)]