639360865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{894211}}^1$

素因数の和:894240

約数の個数: 16

約数和(自身を含む): 901365696

約数和(自身を除く): 262004831

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 894211, 4471055, 9836321, 11624743, 49181605, 58123715, 127872173, 639360865]

約数ペア:

[(1, 639360865), (5, 127872173), (11, 58123715), (13, 49181605), (55, 11624743), (65, 9836321), (143, 4471055), (715, 894211)]