281079128

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 583737000

約数和(自身を除く): 302657872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 139, 242, 278, 484, 556, 968, 1112, 1529, 2089, 3058, 4178, 6116, 8356, 12232, 16712, 16819, 22979, 33638, 45958, 67276, 91916, 134552, 183832, 252769, 290371, 505538, 580742, 1011076, 1161484, 2022152, 2322968, 3194081, 6388162, 12776324, 25552648, 35134891, 70269782, 140539564, 281079128]

約数ペア:

[(1, 281079128), (2, 140539564), (4, 70269782), (8, 35134891), (11, 25552648), (22, 12776324), (44, 6388162), (88, 3194081), (121, 2322968), (139, 2022152), (242, 1161484), (278, 1011076), (484, 580742), (556, 505538), (968, 290371), (1112, 252769), (1529, 183832), (2089, 134552), (3058, 91916), (4178, 67276), (6116, 45958), (8356, 33638), (12232, 22979), (16712, 16819)]