278002914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1895

約数の個数: 64

約数和(自身を含む): 656916480

約数和(自身を除く): 378913566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 71, 106, 142, 159, 213, 318, 371, 426, 497, 742, 994, 1113, 1491, 1759, 2226, 2982, 3518, 3763, 5277, 7526, 10554, 11289, 12313, 22578, 24626, 26341, 36939, 52682, 73878, 79023, 93227, 124889, 158046, 186454, 249778, 279681, 374667, 559362, 652589, 749334, 874223, 1305178, 1748446, 1957767, 2622669, 3915534, 5245338, 6619117, 13238234, 19857351, 39714702, 46333819, 92667638, 139001457, 278002914]

約数ペア:

[(1, 278002914), (2, 139001457), (3, 92667638), (6, 46333819), (7, 39714702), (14, 19857351), (21, 13238234), (42, 6619117), (53, 5245338), (71, 3915534), (106, 2622669), (142, 1957767), (159, 1748446), (213, 1305178), (318, 874223), (371, 749334), (426, 652589), (497, 559362), (742, 374667), (994, 279681), (1113, 249778), (1491, 186454), (1759, 158046), (2226, 124889), (2982, 93227), (3518, 79023), (3763, 73878), (5277, 52682), (7526, 36939), (10554, 26341), (11289, 24626), (12313, 22578)]