258133772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{13751}}^1$

素因数の和:13806

約数の個数: 36

約数和(自身を含む): 513472176

約数和(自身を除く): 255338404

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1444, 4693, 9386, 13751, 18772, 27502, 55004, 178763, 261269, 357526, 522538, 715052, 1045076, 3396497, 4964111, 6792994, 9928222, 13585988, 19856444, 64533443, 129066886, 258133772]

約数ペア:

[(1, 258133772), (2, 129066886), (4, 64533443), (13, 19856444), (19, 13585988), (26, 9928222), (38, 6792994), (52, 4964111), (76, 3396497), (247, 1045076), (361, 715052), (494, 522538), (722, 357526), (988, 261269), (1444, 178763), (4693, 55004), (9386, 27502), (13751, 18772)]