128960944

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1722

約数の個数: 60

約数和(自身を含む): 293661264

約数和(自身を除く): 164700320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 112, 196, 206, 392, 412, 721, 784, 824, 1442, 1597, 1648, 2884, 3194, 5047, 5768, 6388, 10094, 11179, 11536, 12776, 20188, 22358, 25552, 40376, 44716, 78253, 80752, 89432, 156506, 164491, 178864, 313012, 328982, 626024, 657964, 1151437, 1252048, 1315928, 2302874, 2631856, 4605748, 8060059, 9211496, 16120118, 18422992, 32240236, 64480472, 128960944]

約数ペア:

[(1, 128960944), (2, 64480472), (4, 32240236), (7, 18422992), (8, 16120118), (14, 9211496), (16, 8060059), (28, 4605748), (49, 2631856), (56, 2302874), (98, 1315928), (103, 1252048), (112, 1151437), (196, 657964), (206, 626024), (392, 328982), (412, 313012), (721, 178864), (784, 164491), (824, 156506), (1442, 89432), (1597, 80752), (1648, 78253), (2884, 44716), (3194, 40376), (5047, 25552), (5768, 22358), (6388, 20188), (10094, 12776), (11179, 11536)]