81873118

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{6949}}^1$

素因数の和:7131

約数の個数: 16

約数和(自身を含む): 126601200

約数和(自身を除く): 44728082

約数列:

[1, 2, 43, 86, 137, 274, 5891, 6949, 11782, 13898, 298807, 597614, 952013, 1904026, 40936559, 81873118]

約数ペア:

[(1, 81873118), (2, 40936559), (43, 1904026), (86, 952013), (137, 597614), (274, 298807), (5891, 13898), (6949, 11782)]