1381971745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 2242753920

約数和(自身を除く): 860782175

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 137, 197, 209, 245, 385, 539, 665, 685, 931, 959, 985, 1045, 1379, 1463, 1507, 2167, 2603, 2695, 3743, 4655, 4795, 6713, 6895, 7315, 7535, 9653, 10241, 10549, 10835, 13015, 15169, 18221, 18715, 26201, 26989, 28633, 33565, 41173, 48265, 51205, 52745, 73843, 75845, 91105, 106183, 127547, 131005, 134945, 143165, 183407, 188923, 200431, 205865, 288211, 296879, 369215, 512791, 530915, 637735, 917035, 944615, 1002155, 1322461, 1403017, 1441055, 1484395, 2017477, 2078153, 2563955, 3589537, 5640701, 6612305, 7015085, 10087385, 10390765, 14547071, 17947685, 25126759, 28203505, 39484907, 72735355, 125633795, 197424535, 276394349, 1381971745]

約数ペア:

[(1, 1381971745), (5, 276394349), (7, 197424535), (11, 125633795), (19, 72735355), (35, 39484907), (49, 28203505), (55, 25126759), (77, 17947685), (95, 14547071), (133, 10390765), (137, 10087385), (197, 7015085), (209, 6612305), (245, 5640701), (385, 3589537), (539, 2563955), (665, 2078153), (685, 2017477), (931, 1484395), (959, 1441055), (985, 1403017), (1045, 1322461), (1379, 1002155), (1463, 944615), (1507, 917035), (2167, 637735), (2603, 530915), (2695, 512791), (3743, 369215), (4655, 296879), (4795, 288211), (6713, 205865), (6895, 200431), (7315, 188923), (7535, 183407), (9653, 143165), (10241, 134945), (10549, 131005), (10835, 127547), (13015, 106183), (15169, 91105), (18221, 75845), (18715, 73843), (26201, 52745), (26989, 51205), (28633, 48265), (33565, 41173)]