331939784

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 689312400

約数和(自身を除く): 357372616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 139, 242, 278, 484, 556, 968, 1112, 1529, 2467, 3058, 4934, 6116, 9868, 12232, 16819, 19736, 27137, 33638, 54274, 67276, 108548, 134552, 217096, 298507, 342913, 597014, 685826, 1194028, 1371652, 2388056, 2743304, 3772043, 7544086, 15088172, 30176344, 41492473, 82984946, 165969892, 331939784]

約数ペア:

[(1, 331939784), (2, 165969892), (4, 82984946), (8, 41492473), (11, 30176344), (22, 15088172), (44, 7544086), (88, 3772043), (121, 2743304), (139, 2388056), (242, 1371652), (278, 1194028), (484, 685826), (556, 597014), (968, 342913), (1112, 298507), (1529, 217096), (2467, 134552), (3058, 108548), (4934, 67276), (6116, 54274), (9868, 33638), (12232, 27137), (16819, 19736)]