2129121565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 2925331200

約数和(自身を除く): 796209635

約数列:

[1, 5, 17, 29, 43, 53, 85, 145, 215, 265, 379, 493, 731, 901, 1247, 1537, 1895, 2279, 2465, 3655, 4505, 6235, 6443, 7685, 10991, 11395, 16297, 20087, 21199, 26129, 32215, 38743, 54955, 66091, 81485, 100435, 105995, 130645, 186847, 193715, 277049, 330455, 341479, 472613, 582523, 863741, 934235, 1123547, 1385245, 1707395, 2363065, 2912615, 4318705, 5617735, 8034421, 9902891, 14683597, 25048489, 40172105, 49514455, 73417985, 125242445, 425824313, 2129121565]

約数ペア:

[(1, 2129121565), (5, 425824313), (17, 125242445), (29, 73417985), (43, 49514455), (53, 40172105), (85, 25048489), (145, 14683597), (215, 9902891), (265, 8034421), (379, 5617735), (493, 4318705), (731, 2912615), (901, 2363065), (1247, 1707395), (1537, 1385245), (1895, 1123547), (2279, 934235), (2465, 863741), (3655, 582523), (4505, 472613), (6235, 341479), (6443, 330455), (7685, 277049), (10991, 193715), (11395, 186847), (16297, 130645), (20087, 105995), (21199, 100435), (26129, 81485), (32215, 66091), (38743, 54955)]