128355836

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{14461}}^1$

素因数の和:14789

約数の個数: 24

約数和(自身を含む): 257539296

約数和(自身を除く): 129183460

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8876, 14461, 28922, 57844, 101227, 202454, 404908, 4584137, 9168274, 18336548, 32088959, 64177918, 128355836]

約数ペア:

[(1, 128355836), (2, 64177918), (4, 32088959), (7, 18336548), (14, 9168274), (28, 4584137), (317, 404908), (634, 202454), (1268, 101227), (2219, 57844), (4438, 28922), (8876, 14461)]