319890928

素因数分解:

$2^4\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{2557}}^1$

素因数の和:3689

約数の個数: 40

約数和(自身を含む): 709241312

約数和(自身を除く): 389350384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1117, 2234, 2557, 4468, 5114, 7819, 8936, 10228, 15638, 17872, 17899, 20456, 31276, 35798, 40912, 62552, 71596, 125104, 143192, 286384, 2856169, 5712338, 11424676, 19993183, 22849352, 39986366, 45698704, 79972732, 159945464, 319890928]

約数ペア:

[(1, 319890928), (2, 159945464), (4, 79972732), (7, 45698704), (8, 39986366), (14, 22849352), (16, 19993183), (28, 11424676), (56, 5712338), (112, 2856169), (1117, 286384), (2234, 143192), (2557, 125104), (4468, 71596), (5114, 62552), (7819, 40912), (8936, 35798), (10228, 31276), (15638, 20456), (17872, 17899)]