199947748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49937}}^1$

素因数の和:49972

約数の個数: 48

約数和(自身を含む): 469816704

約数和(自身を除く): 269868956

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, 49937, 99874, 199748, 349559, 549307, 649181, 699118, 1098614, 1298362, 1398236, 2197228, 2596724, 3845149, 4544267, 7140991, 7690298, 9088534, 14281982, 15380596, 18177068, 28563964, 49986937, 99973874, 199947748]

約数ペア:

[(1, 199947748), (2, 99973874), (4, 49986937), (7, 28563964), (11, 18177068), (13, 15380596), (14, 14281982), (22, 9088534), (26, 7690298), (28, 7140991), (44, 4544267), (52, 3845149), (77, 2596724), (91, 2197228), (143, 1398236), (154, 1298362), (182, 1098614), (286, 699118), (308, 649181), (364, 549307), (572, 349559), (1001, 199748), (2002, 99874), (4004, 49937)]