1293531988

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 2731343328

約数和(自身を除く): 1437811340

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 107, 148, 196, 214, 259, 428, 518, 749, 1036, 1498, 1667, 1813, 2996, 3334, 3626, 3959, 5243, 6668, 7252, 7918, 10486, 11669, 15836, 20972, 23338, 27713, 46676, 55426, 61679, 81683, 110852, 123358, 163366, 178369, 193991, 246716, 326732, 356738, 387982, 431753, 713476, 775964, 863506, 1248583, 1727012, 2497166, 3022271, 4994332, 6044542, 6599653, 8740081, 12089084, 13199306, 17480162, 26398612, 34960324, 46197571, 92395142, 184790284, 323382997, 646765994, 1293531988]

約数ペア:

[(1, 1293531988), (2, 646765994), (4, 323382997), (7, 184790284), (14, 92395142), (28, 46197571), (37, 34960324), (49, 26398612), (74, 17480162), (98, 13199306), (107, 12089084), (148, 8740081), (196, 6599653), (214, 6044542), (259, 4994332), (428, 3022271), (518, 2497166), (749, 1727012), (1036, 1248583), (1498, 863506), (1667, 775964), (1813, 713476), (2996, 431753), (3334, 387982), (3626, 356738), (3959, 326732), (5243, 246716), (6668, 193991), (7252, 178369), (7918, 163366), (10486, 123358), (11669, 110852), (15836, 81683), (20972, 61679), (23338, 55426), (27713, 46676)]