12883195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 17962560

約数和(自身を除く): 5079365

約数列:

[1, 5, 13, 17, 65, 85, 89, 131, 221, 445, 655, 1105, 1157, 1513, 1703, 2227, 5785, 7565, 8515, 11135, 11659, 19669, 28951, 58295, 98345, 144755, 151567, 198203, 757835, 991015, 2576639, 12883195]

約数ペア:

[(1, 12883195), (5, 2576639), (13, 991015), (17, 757835), (65, 198203), (85, 151567), (89, 144755), (131, 98345), (221, 58295), (445, 28951), (655, 19669), (1105, 11659), (1157, 11135), (1513, 8515), (1703, 7565), (2227, 5785)]