127986908

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{18211}}^1$

素因数の和:18473

約数の個数: 24

約数和(自身を含む): 257007744

約数和(自身を除く): 129020836

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3514, 7028, 18211, 36422, 72844, 127477, 254954, 509908, 4570961, 9141922, 18283844, 31996727, 63993454, 127986908]

約数ペア:

[(1, 127986908), (2, 63993454), (4, 31996727), (7, 18283844), (14, 9141922), (28, 4570961), (251, 509908), (502, 254954), (1004, 127477), (1757, 72844), (3514, 36422), (7028, 18211)]