28421203265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{1129}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 42748930560

約数和(自身を除く): 14327727295

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 907, 1129, 2135, 3965, 4535, 5551, 5645, 6349, 7903, 11791, 14677, 27755, 31745, 39515, 55327, 58955, 68869, 73385, 82537, 102739, 276635, 344345, 387289, 412685, 482083, 513695, 719251, 895297, 1024003, 1936445, 2410415, 3596255, 4476485, 5034757, 5120015, 6267079, 7168021, 13312039, 25173785, 31335395, 35840105, 62464183, 66560195, 93184273, 312320915, 437249281, 465921365, 812034379, 2186246405, 4060171895, 5684240653, 28421203265]

約数ペア:

[(1, 28421203265), (5, 5684240653), (7, 4060171895), (13, 2186246405), (35, 812034379), (61, 465921365), (65, 437249281), (91, 312320915), (305, 93184273), (427, 66560195), (455, 62464183), (793, 35840105), (907, 31335395), (1129, 25173785), (2135, 13312039), (3965, 7168021), (4535, 6267079), (5551, 5120015), (5645, 5034757), (6349, 4476485), (7903, 3596255), (11791, 2410415), (14677, 1936445), (27755, 1024003), (31745, 895297), (39515, 719251), (55327, 513695), (58955, 482083), (68869, 412685), (73385, 387289), (82537, 344345), (102739, 276635)]