81573019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{641}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 93187584

約数和(自身を除く): 11614565

約数列:

[1, 11, 23, 253, 503, 641, 5533, 7051, 11569, 14743, 127259, 162173, 322423, 3546653, 7415729, 81573019]

約数ペア:

[(1, 81573019), (11, 7415729), (23, 3546653), (253, 322423), (503, 162173), (641, 127259), (5533, 14743), (7051, 11569)]