28464436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7144

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 38426444

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, 7109, 14218, 28436, 49763, 78199, 92417, 99526, 156398, 184834, 199052, 312796, 369668, 547393, 646919, 1016587, 1094786, 1293838, 2033174, 2189572, 2587676, 4066348, 7116109, 14232218, 28464436]

約数ペア:

[(1, 28464436), (2, 14232218), (4, 7116109), (7, 4066348), (11, 2587676), (13, 2189572), (14, 2033174), (22, 1293838), (26, 1094786), (28, 1016587), (44, 646919), (52, 547393), (77, 369668), (91, 312796), (143, 199052), (154, 184834), (182, 156398), (286, 99526), (308, 92417), (364, 78199), (572, 49763), (1001, 28436), (2002, 14218), (4004, 7109)]