205879141

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 241274880

約数和(自身を除く): 35395739

約数列:

[1, 13, 23, 43, 67, 239, 299, 559, 871, 989, 1541, 2881, 3107, 5497, 10277, 12857, 16013, 20033, 37453, 66263, 71461, 133601, 208169, 236371, 368299, 688559, 861419, 3072823, 4787887, 8951267, 15836857, 205879141]

約数ペア:

[(1, 205879141), (13, 15836857), (23, 8951267), (43, 4787887), (67, 3072823), (239, 861419), (299, 688559), (559, 368299), (871, 236371), (989, 208169), (1541, 133601), (2881, 71461), (3107, 66263), (5497, 37453), (10277, 20033), (12857, 16013)]