27990430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 54684000

約数和(自身を除く): 26693570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1549, 1807, 3098, 3614, 7745, 9035, 15490, 18070, 20137, 40274, 100685, 201370, 215311, 430622, 1076555, 2153110, 2799043, 5598086, 13995215, 27990430]

約数ペア:

[(1, 27990430), (2, 13995215), (5, 5598086), (10, 2799043), (13, 2153110), (26, 1076555), (65, 430622), (130, 215311), (139, 201370), (278, 100685), (695, 40274), (1390, 20137), (1549, 18070), (1807, 15490), (3098, 9035), (3614, 7745)]