131312776

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{75641}}^1$

素因数の和:75685

約数の個数: 32

約数和(自身を含む): 290465280

約数和(自身を除く): 159152504

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 75641, 151282, 302564, 529487, 605128, 1058974, 2117948, 2344871, 4235896, 4689742, 9379484, 16414097, 18758968, 32828194, 65656388, 131312776]

約数ペア:

[(1, 131312776), (2, 65656388), (4, 32828194), (7, 18758968), (8, 16414097), (14, 9379484), (28, 4689742), (31, 4235896), (56, 2344871), (62, 2117948), (124, 1058974), (217, 605128), (248, 529487), (434, 302564), (868, 151282), (1736, 75641)]