1040221

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 1378944

約数和(自身を除く): 338723

約数列:

[1, 7, 13, 23, 49, 71, 91, 161, 299, 497, 637, 923, 1127, 1633, 2093, 3479, 6461, 11431, 14651, 21229, 45227, 80017, 148603, 1040221]

約数ペア:

[(1, 1040221), (7, 148603), (13, 80017), (23, 45227), (49, 21229), (71, 14651), (91, 11431), (161, 6461), (299, 3479), (497, 2093), (637, 1633), (923, 1127)]