131426036

素因数分解:

$2^2\times 7^2\times {\mathrm{670541}}^1$

素因数の和:670559

約数の個数: 18

約数和(自身を含む): 267546258

約数和(自身を除く): 136120222

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 670541, 1341082, 2682164, 4693787, 9387574, 18775148, 32856509, 65713018, 131426036]

約数ペア:

[(1, 131426036), (2, 65713018), (4, 32856509), (7, 18775148), (14, 9387574), (28, 4693787), (49, 2682164), (98, 1341082), (196, 670541)]