491995196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7643}}^1$

素因数の和:7695

約数の個数: 72

約数和(自身を含む): 1138650240

約数和(自身を除く): 646655044

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 7643, 9196, 15286, 16093, 30572, 32186, 53501, 64372, 84073, 107002, 145217, 168146, 214004, 290434, 336292, 580868, 588511, 924803, 1016519, 1177022, 1597387, 1849606, 2033038, 2354044, 3194774, 3699212, 4066076, 6389548, 6473621, 11181709, 12947242, 17571257, 22363418, 25894484, 35142514, 44726836, 70285028, 122998799, 245997598, 491995196]

約数ペア:

[(1, 491995196), (2, 245997598), (4, 122998799), (7, 70285028), (11, 44726836), (14, 35142514), (19, 25894484), (22, 22363418), (28, 17571257), (38, 12947242), (44, 11181709), (76, 6473621), (77, 6389548), (121, 4066076), (133, 3699212), (154, 3194774), (209, 2354044), (242, 2033038), (266, 1849606), (308, 1597387), (418, 1177022), (484, 1016519), (532, 924803), (836, 588511), (847, 580868), (1463, 336292), (1694, 290434), (2299, 214004), (2926, 168146), (3388, 145217), (4598, 107002), (5852, 84073), (7643, 64372), (9196, 53501), (15286, 32186), (16093, 30572)]