2177052215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1970183}}^1$

素因数の和:1970218

約数の個数: 16

約数和(自身を含む): 2978918208

約数和(自身を除く): 801865993

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1970183, 9850915, 25612379, 33493111, 128061895, 167465555, 435410443, 2177052215]

約数ペア:

[(1, 2177052215), (5, 435410443), (13, 167465555), (17, 128061895), (65, 33493111), (85, 25612379), (221, 9850915), (1105, 1970183)]