78313788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2447}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 228114432

約数和(自身を除く): 149800644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2447, 2667, 3556, 4572, 4894, 5334, 7341, 8001, 9788, 10668, 14682, 16002, 17129, 22023, 29364, 32004, 34258, 44046, 51387, 68516, 88092, 102774, 154161, 205548, 308322, 310769, 616644, 621538, 932307, 1243076, 1864614, 2175383, 2796921, 3729228, 4350766, 5593842, 6526149, 8701532, 11187684, 13052298, 19578447, 26104596, 39156894, 78313788]

約数ペア:

[(1, 78313788), (2, 39156894), (3, 26104596), (4, 19578447), (6, 13052298), (7, 11187684), (9, 8701532), (12, 6526149), (14, 5593842), (18, 4350766), (21, 3729228), (28, 2796921), (36, 2175383), (42, 1864614), (63, 1243076), (84, 932307), (126, 621538), (127, 616644), (252, 310769), (254, 308322), (381, 205548), (508, 154161), (762, 102774), (889, 88092), (1143, 68516), (1524, 51387), (1778, 44046), (2286, 34258), (2447, 32004), (2667, 29364), (3556, 22023), (4572, 17129), (4894, 16002), (5334, 14682), (7341, 10668), (8001, 9788)]