128405532

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{65647}}^1$

素因数の和:65817

約数の個数: 24

約数和(自身を含む): 301455616

約数和(自身を除く): 173050084

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 65647, 131294, 196941, 262588, 393882, 787764, 10700461, 21400922, 32101383, 42801844, 64202766, 128405532]

約数ペア:

[(1, 128405532), (2, 64202766), (3, 42801844), (4, 32101383), (6, 21400922), (12, 10700461), (163, 787764), (326, 393882), (489, 262588), (652, 196941), (978, 131294), (1956, 65647)]