2178394705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{1907}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 2818955520

約数和(自身を除く): 640560815

約数列:

[1, 5, 17, 85, 89, 151, 445, 755, 1513, 1907, 2567, 7565, 9535, 12835, 13439, 32419, 67195, 162095, 169723, 228463, 287957, 848615, 1142315, 1439785, 2885291, 4895269, 14426455, 24476345, 25628173, 128140865, 435678941, 2178394705]

約数ペア:

[(1, 2178394705), (5, 435678941), (17, 128140865), (85, 25628173), (89, 24476345), (151, 14426455), (445, 4895269), (755, 2885291), (1513, 1439785), (1907, 1142315), (2567, 848615), (7565, 287957), (9535, 228463), (12835, 169723), (13439, 162095), (32419, 67195)]