128301712

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 311980032

約数和(自身を除く): 183678320

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 223, 308, 446, 467, 616, 892, 934, 1232, 1561, 1784, 1868, 2453, 3122, 3269, 3568, 3736, 4906, 5137, 6244, 6538, 7472, 9812, 10274, 12488, 13076, 17171, 19624, 20548, 24976, 26152, 34342, 35959, 39248, 41096, 52304, 68684, 71918, 82192, 104141, 137368, 143836, 208282, 274736, 287672, 416564, 575344, 728987, 833128, 1145551, 1457974, 1666256, 2291102, 2915948, 4582204, 5831896, 8018857, 9164408, 11663792, 16037714, 18328816, 32075428, 64150856, 128301712]

約数ペア:

[(1, 128301712), (2, 64150856), (4, 32075428), (7, 18328816), (8, 16037714), (11, 11663792), (14, 9164408), (16, 8018857), (22, 5831896), (28, 4582204), (44, 2915948), (56, 2291102), (77, 1666256), (88, 1457974), (112, 1145551), (154, 833128), (176, 728987), (223, 575344), (308, 416564), (446, 287672), (467, 274736), (616, 208282), (892, 143836), (934, 137368), (1232, 104141), (1561, 82192), (1784, 71918), (1868, 68684), (2453, 52304), (3122, 41096), (3269, 39248), (3568, 35959), (3736, 34342), (4906, 26152), (5137, 24976), (6244, 20548), (6538, 19624), (7472, 17171), (9812, 13076), (10274, 12488)]