30887836

素因数分解:

$2^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 64512000

約数和(自身を除く): 33624164

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 343, 479, 658, 686, 958, 1316, 1372, 1916, 2303, 3353, 4606, 6706, 9212, 13412, 16121, 22513, 23471, 32242, 45026, 46942, 64484, 90052, 93884, 157591, 164297, 315182, 328594, 630364, 657188, 1103137, 2206274, 4412548, 7721959, 15443918, 30887836]

約数ペア:

[(1, 30887836), (2, 15443918), (4, 7721959), (7, 4412548), (14, 2206274), (28, 1103137), (47, 657188), (49, 630364), (94, 328594), (98, 315182), (188, 164297), (196, 157591), (329, 93884), (343, 90052), (479, 64484), (658, 46942), (686, 45026), (958, 32242), (1316, 23471), (1372, 22513), (1916, 16121), (2303, 13412), (3353, 9212), (4606, 6706)]