64721104

素因数分解:

$2^4\times 7^1\times {\mathrm{577867}}^1$

素因数の和:577882

約数の個数: 20

約数和(自身を含む): 143311264

約数和(自身を除く): 78590160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 577867, 1155734, 2311468, 4045069, 4622936, 8090138, 9245872, 16180276, 32360552, 64721104]

約数ペア:

[(1, 64721104), (2, 32360552), (4, 16180276), (7, 9245872), (8, 8090138), (14, 4622936), (16, 4045069), (28, 2311468), (56, 1155734), (112, 577867)]