30291025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 40068864

約数和(自身を除く): 9777839

約数列:

[1, 5, 17, 25, 85, 263, 271, 425, 1315, 1355, 4471, 4607, 6575, 6775, 22355, 23035, 71273, 111775, 115175, 356365, 1211641, 1781825, 6058205, 30291025]

約数ペア:

[(1, 30291025), (5, 6058205), (17, 1781825), (25, 1211641), (85, 356365), (263, 115175), (271, 111775), (425, 71273), (1315, 23035), (1355, 22355), (4471, 6775), (4607, 6575)]