128165884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3889}}^1$

素因数の和:4018

約数の個数: 48

約数和(自身を含む): 282320640

約数和(自身を除く): 154154756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 1177, 1498, 2354, 2996, 3889, 4708, 7778, 8239, 15556, 16478, 27223, 32956, 42779, 54446, 85558, 108892, 171116, 299453, 416123, 598906, 832246, 1197812, 1664492, 2912861, 4577353, 5825722, 9154706, 11651444, 18309412, 32041471, 64082942, 128165884]

約数ペア:

[(1, 128165884), (2, 64082942), (4, 32041471), (7, 18309412), (11, 11651444), (14, 9154706), (22, 5825722), (28, 4577353), (44, 2912861), (77, 1664492), (107, 1197812), (154, 832246), (214, 598906), (308, 416123), (428, 299453), (749, 171116), (1177, 108892), (1498, 85558), (2354, 54446), (2996, 42779), (3889, 32956), (4708, 27223), (7778, 16478), (8239, 15556)]