1330991728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 2892422016

約数和(自身を除く): 1561430288

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 397, 443, 473, 688, 794, 886, 946, 1588, 1772, 1892, 3176, 3544, 3784, 4367, 4873, 6352, 7088, 7568, 8734, 9746, 17071, 17468, 19049, 19492, 34142, 34936, 38098, 38984, 68284, 69872, 76196, 77968, 136568, 152392, 175871, 187781, 209539, 273136, 304784, 351742, 375562, 419078, 703484, 751124, 838156, 1406968, 1502248, 1676312, 1934581, 2813936, 3004496, 3352624, 3869162, 7562453, 7738324, 15124906, 15476648, 30249812, 30953296, 60499624, 83186983, 120999248, 166373966, 332747932, 665495864, 1330991728]

約数ペア:

[(1, 1330991728), (2, 665495864), (4, 332747932), (8, 166373966), (11, 120999248), (16, 83186983), (22, 60499624), (43, 30953296), (44, 30249812), (86, 15476648), (88, 15124906), (172, 7738324), (176, 7562453), (344, 3869162), (397, 3352624), (443, 3004496), (473, 2813936), (688, 1934581), (794, 1676312), (886, 1502248), (946, 1406968), (1588, 838156), (1772, 751124), (1892, 703484), (3176, 419078), (3544, 375562), (3784, 351742), (4367, 304784), (4873, 273136), (6352, 209539), (7088, 187781), (7568, 175871), (8734, 152392), (9746, 136568), (17071, 77968), (17468, 76196), (19049, 69872), (19492, 68284), (34142, 38984), (34936, 38098)]