40487993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23417}}^1$

素因数の和:23456

約数の個数: 16

約数和(自身を含む): 52456320

約数和(自身を除く): 11968327

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 23417, 163919, 304421, 444923, 2130947, 3114461, 5783999, 40487993]

約数ペア:

[(1, 40487993), (7, 5783999), (13, 3114461), (19, 2130947), (91, 444923), (133, 304421), (247, 163919), (1729, 23417)]