257831265692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{64393423}}^1$

素因数の和:64393458

約数の個数: 48

約数和(自身を含む): 605813332992

約数和(自身を除く): 347982067300

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 64393423, 128786846, 257573692, 450753961, 708327653, 837114499, 901507922, 1416655306, 1674228998, 1803015844, 2833310612, 3348457996, 4958293571, 5859801493, 9208259489, 9916587142, 11719602986, 18416518978, 19833174284, 23439205972, 36833037956, 64457816423, 128915632846, 257831265692]

約数ペア:

[(1, 257831265692), (2, 128915632846), (4, 64457816423), (7, 36833037956), (11, 23439205972), (13, 19833174284), (14, 18416518978), (22, 11719602986), (26, 9916587142), (28, 9208259489), (44, 5859801493), (52, 4958293571), (77, 3348457996), (91, 2833310612), (143, 1803015844), (154, 1674228998), (182, 1416655306), (286, 901507922), (308, 837114499), (364, 708327653), (572, 450753961), (1001, 257573692), (2002, 128786846), (4004, 64393423)]