201211835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 271814400

約数和(自身を除く): 70602565

約数列:

[1, 5, 11, 43, 55, 149, 215, 473, 571, 745, 1639, 2365, 2855, 6281, 6407, 8195, 24553, 31405, 32035, 70477, 85079, 122765, 270083, 352385, 425395, 935869, 1350415, 3658397, 4679345, 18291985, 40242367, 201211835]

約数ペア:

[(1, 201211835), (5, 40242367), (11, 18291985), (43, 4679345), (55, 3658397), (149, 1350415), (215, 935869), (473, 425395), (571, 352385), (745, 270083), (1639, 122765), (2365, 85079), (2855, 70477), (6281, 32035), (6407, 31405), (8195, 24553)]