128371264

素因数分解:

$2^6\times 7^1\times {\mathrm{286543}}^1$

素因数の和:286562

約数の個数: 28

約数和(自身を含む): 291128704

約数和(自身を除く): 162757440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 286543, 573086, 1146172, 2005801, 2292344, 4011602, 4584688, 8023204, 9169376, 16046408, 18338752, 32092816, 64185632, 128371264]

約数ペア:

[(1, 128371264), (2, 64185632), (4, 32092816), (7, 18338752), (8, 16046408), (14, 9169376), (16, 8023204), (28, 4584688), (32, 4011602), (56, 2292344), (64, 2005801), (112, 1146172), (224, 573086), (448, 286543)]