81797396

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{983}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 145805184

約数和(自身を除く): 64007788

約数列:

[1, 2, 4, 71, 142, 284, 293, 586, 983, 1172, 1966, 3932, 20803, 41606, 69793, 83212, 139586, 279172, 288019, 576038, 1152076, 20449349, 40898698, 81797396]

約数ペア:

[(1, 81797396), (2, 40898698), (4, 20449349), (71, 1152076), (142, 576038), (284, 288019), (293, 279172), (586, 139586), (983, 83212), (1172, 69793), (1966, 41606), (3932, 20803)]