1386949648

素因数分解:

$2^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{19319}}^1$

素因数の和:19975

約数の個数: 40

約数和(自身を含む): 3076053120

約数和(自身を除く): 1689103472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 641, 1282, 2564, 4487, 5128, 8974, 10256, 17948, 19319, 35896, 38638, 71792, 77276, 135233, 154552, 270466, 309104, 540932, 1081864, 2163728, 12383479, 24766958, 49533916, 86684353, 99067832, 173368706, 198135664, 346737412, 693474824, 1386949648]

約数ペア:

[(1, 1386949648), (2, 693474824), (4, 346737412), (7, 198135664), (8, 173368706), (14, 99067832), (16, 86684353), (28, 49533916), (56, 24766958), (112, 12383479), (641, 2163728), (1282, 1081864), (2564, 540932), (4487, 309104), (5128, 270466), (8974, 154552), (10256, 135233), (17948, 77276), (19319, 71792), (35896, 38638)]