30879128

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3967}}^1$

素因数の和:4119

約数の個数: 32

約数和(自身を含む): 66662400

約数和(自身を除く): 35783272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 3967, 7784, 7934, 15868, 27769, 31736, 55538, 111076, 222152, 551413, 1102826, 2205652, 3859891, 4411304, 7719782, 15439564, 30879128]

約数ペア:

[(1, 30879128), (2, 15439564), (4, 7719782), (7, 4411304), (8, 3859891), (14, 2205652), (28, 1102826), (56, 551413), (139, 222152), (278, 111076), (556, 55538), (973, 31736), (1112, 27769), (1946, 15868), (3892, 7934), (3967, 7784)]