1288791364

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{686989}}^1$

素因数の和:687067

約数の個数: 24

約数和(自身を含む): 2616057920

約数和(自身を除く): 1327266556

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 686989, 1373978, 2747956, 4808923, 9617846, 19235692, 46028263, 92056526, 184113052, 322197841, 644395682, 1288791364]

約数ペア:

[(1, 1288791364), (2, 644395682), (4, 322197841), (7, 184113052), (14, 92056526), (28, 46028263), (67, 19235692), (134, 9617846), (268, 4808923), (469, 2747956), (938, 1373978), (1876, 686989)]