138428948

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1129}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 288556800

約数和(自身を除く): 150127852

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 151, 203, 302, 406, 604, 812, 1057, 1129, 2114, 2258, 4228, 4379, 4516, 7903, 8758, 15806, 17516, 30653, 31612, 32741, 61306, 65482, 122612, 130964, 170479, 229187, 340958, 458374, 681916, 916748, 1193353, 2386706, 4773412, 4943891, 9887782, 19775564, 34607237, 69214474, 138428948]

約数ペア:

[(1, 138428948), (2, 69214474), (4, 34607237), (7, 19775564), (14, 9887782), (28, 4943891), (29, 4773412), (58, 2386706), (116, 1193353), (151, 916748), (203, 681916), (302, 458374), (406, 340958), (604, 229187), (812, 170479), (1057, 130964), (1129, 122612), (2114, 65482), (2258, 61306), (4228, 32741), (4379, 31612), (4516, 30653), (7903, 17516), (8758, 15806)]