128445128

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 288731520

約数和(自身を除く): 160286392

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 43, 56, 82, 86, 164, 172, 287, 301, 328, 344, 574, 602, 1148, 1204, 1301, 1763, 2296, 2408, 2602, 3526, 5204, 7052, 9107, 10408, 12341, 14104, 18214, 24682, 36428, 49364, 53341, 55943, 72856, 98728, 106682, 111886, 213364, 223772, 373387, 391601, 426728, 447544, 746774, 783202, 1493548, 1566404, 2293663, 2987096, 3132808, 4587326, 9174652, 16055641, 18349304, 32111282, 64222564, 128445128]

約数ペア:

[(1, 128445128), (2, 64222564), (4, 32111282), (7, 18349304), (8, 16055641), (14, 9174652), (28, 4587326), (41, 3132808), (43, 2987096), (56, 2293663), (82, 1566404), (86, 1493548), (164, 783202), (172, 746774), (287, 447544), (301, 426728), (328, 391601), (344, 373387), (574, 223772), (602, 213364), (1148, 111886), (1204, 106682), (1301, 98728), (1763, 72856), (2296, 55943), (2408, 53341), (2602, 49364), (3526, 36428), (5204, 24682), (7052, 18214), (9107, 14104), (10408, 12341)]