81870085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{40231}}^1$

素因数の和:40284

約数の個数: 16

約数和(自身を含む): 110074752

約数和(自身を除く): 28204667

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 40231, 201155, 442541, 1488547, 2212705, 7442735, 16374017, 81870085]

約数ペア:

[(1, 81870085), (5, 16374017), (11, 7442735), (37, 2212705), (55, 1488547), (185, 442541), (407, 201155), (2035, 40231)]