2779075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 3937248

約数和(自身を除く): 1158173

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 503, 1105, 2515, 5525, 6539, 8551, 12575, 32695, 42755, 111163, 163475, 213775, 555815, 2779075]

約数ペア:

[(1, 2779075), (5, 555815), (13, 213775), (17, 163475), (25, 111163), (65, 42755), (85, 32695), (221, 12575), (325, 8551), (425, 6539), (503, 5525), (1105, 2515)]