131405764

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109141}}^1$

素因数の和:109195

約数の個数: 24

約数和(自身を含む): 268925888

約数和(自身を除く): 137520124

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 109141, 218282, 436564, 763987, 1527974, 3055948, 4693063, 9386126, 18772252, 32851441, 65702882, 131405764]

約数ペア:

[(1, 131405764), (2, 65702882), (4, 32851441), (7, 18772252), (14, 9386126), (28, 4693063), (43, 3055948), (86, 1527974), (172, 763987), (301, 436564), (602, 218282), (1204, 109141)]