31180188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199873}}^1$

素因数の和:199893

約数の個数: 24

約数和(自身を含む): 78350608

約数和(自身を除く): 47170420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199873, 399746, 599619, 799492, 1199238, 2398476, 2598349, 5196698, 7795047, 10393396, 15590094, 31180188]

約数ペア:

[(1, 31180188), (2, 15590094), (3, 10393396), (4, 7795047), (6, 5196698), (12, 2598349), (13, 2398476), (26, 1199238), (39, 799492), (52, 599619), (78, 399746), (156, 199873)]