81389008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267727}}^1$

素因数の和:267754

約数の個数: 20

約数和(自身を含む): 165991360

約数和(自身を除く): 84602352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267727, 535454, 1070908, 2141816, 4283632, 5086813, 10173626, 20347252, 40694504, 81389008]

約数ペア:

[(1, 81389008), (2, 40694504), (4, 20347252), (8, 10173626), (16, 5086813), (19, 4283632), (38, 2141816), (76, 1070908), (152, 535454), (304, 267727)]