1285184768

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42187}}^1$

素因数の和:42227

約数の個数: 72

約数和(自身を含む): 3104361792

約数和(自身を除く): 1819177024

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 896, 952, 1088, 1792, 1904, 2176, 3808, 4352, 7616, 15232, 30464, 42187, 84374, 168748, 295309, 337496, 590618, 674992, 717179, 1181236, 1349984, 1434358, 2362472, 2699968, 2868716, 4724944, 5020253, 5399936, 5737432, 9449888, 10040506, 10799872, 11474864, 18899776, 20081012, 22949728, 37799552, 40162024, 45899456, 75599104, 80324048, 91798912, 160648096, 183597824, 321296192, 642592384, 1285184768]

約数ペア:

[(1, 1285184768), (2, 642592384), (4, 321296192), (7, 183597824), (8, 160648096), (14, 91798912), (16, 80324048), (17, 75599104), (28, 45899456), (32, 40162024), (34, 37799552), (56, 22949728), (64, 20081012), (68, 18899776), (112, 11474864), (119, 10799872), (128, 10040506), (136, 9449888), (224, 5737432), (238, 5399936), (256, 5020253), (272, 4724944), (448, 2868716), (476, 2699968), (544, 2362472), (896, 1434358), (952, 1349984), (1088, 1181236), (1792, 717179), (1904, 674992), (2176, 590618), (3808, 337496), (4352, 295309), (7616, 168748), (15232, 84374), (30464, 42187)]