1328702956

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1\times {\mathrm{761}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 2687311872

約数和(自身を除く): 1358608916

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 491, 508, 761, 889, 982, 1522, 1778, 1964, 3044, 3437, 3556, 5327, 6874, 10654, 13748, 21308, 62357, 96647, 124714, 193294, 249428, 373651, 386588, 436499, 676529, 747302, 872998, 1353058, 1494604, 1745996, 2615557, 2706116, 5231114, 10462228, 47453677, 94907354, 189814708, 332175739, 664351478, 1328702956]

約数ペア:

[(1, 1328702956), (2, 664351478), (4, 332175739), (7, 189814708), (14, 94907354), (28, 47453677), (127, 10462228), (254, 5231114), (491, 2706116), (508, 2615557), (761, 1745996), (889, 1494604), (982, 1353058), (1522, 872998), (1778, 747302), (1964, 676529), (3044, 436499), (3437, 386588), (3556, 373651), (5327, 249428), (6874, 193294), (10654, 124714), (13748, 96647), (21308, 62357)]