215524712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 451377360

約数和(自身を除く): 235852648

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 61, 104, 106, 122, 212, 244, 424, 488, 641, 689, 793, 1282, 1378, 1586, 2564, 2756, 3172, 3233, 5128, 5512, 6344, 6466, 8333, 12932, 16666, 25864, 33332, 33973, 39101, 42029, 66664, 67946, 78202, 84058, 135892, 156404, 168116, 271784, 312808, 336232, 441649, 508313, 883298, 1016626, 1766596, 2033252, 2072353, 3533192, 4066504, 4144706, 8289412, 16578824, 26940589, 53881178, 107762356, 215524712]

約数ペア:

[(1, 215524712), (2, 107762356), (4, 53881178), (8, 26940589), (13, 16578824), (26, 8289412), (52, 4144706), (53, 4066504), (61, 3533192), (104, 2072353), (106, 2033252), (122, 1766596), (212, 1016626), (244, 883298), (424, 508313), (488, 441649), (641, 336232), (689, 312808), (793, 271784), (1282, 168116), (1378, 156404), (1586, 135892), (2564, 84058), (2756, 78202), (3172, 67946), (3233, 66664), (5128, 42029), (5512, 39101), (6344, 33973), (6466, 33332), (8333, 25864), (12932, 16666)]