81388316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{2777}}^1$

素因数の和:3229

約数の個数: 24

約数和(自身を含む): 151212096

約数和(自身を除く): 69823780

約数列:

[1, 2, 4, 17, 34, 68, 431, 862, 1724, 2777, 5554, 7327, 11108, 14654, 29308, 47209, 94418, 188836, 1196887, 2393774, 4787548, 20347079, 40694158, 81388316]

約数ペア:

[(1, 81388316), (2, 40694158), (4, 20347079), (17, 4787548), (34, 2393774), (68, 1196887), (431, 188836), (862, 94418), (1724, 47209), (2777, 29308), (5554, 14654), (7327, 11108)]