7221175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 10218096

約数和(自身を除く): 2996921

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 1307, 5525, 6535, 16991, 22219, 32675, 84955, 111095, 288847, 424775, 555475, 1444235, 7221175]

約数ペア:

[(1, 7221175), (5, 1444235), (13, 555475), (17, 424775), (25, 288847), (65, 111095), (85, 84955), (221, 32675), (325, 22219), (425, 16991), (1105, 6535), (1307, 5525)]