128131444

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 264689152

約数和(自身を除く): 136557708

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 337, 367, 518, 674, 734, 1036, 1348, 1468, 2359, 2569, 4718, 5138, 9436, 10276, 12469, 13579, 24938, 27158, 49876, 54316, 87283, 95053, 123679, 174566, 190106, 247358, 349132, 380212, 494716, 865753, 1731506, 3463012, 4576123, 9152246, 18304492, 32032861, 64065722, 128131444]

約数ペア:

[(1, 128131444), (2, 64065722), (4, 32032861), (7, 18304492), (14, 9152246), (28, 4576123), (37, 3463012), (74, 1731506), (148, 865753), (259, 494716), (337, 380212), (367, 349132), (518, 247358), (674, 190106), (734, 174566), (1036, 123679), (1348, 95053), (1468, 87283), (2359, 54316), (2569, 49876), (4718, 27158), (5138, 24938), (9436, 13579), (10276, 12469)]