31783234561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 40260519936

約数和(自身を除く): 8477285375

約数列:

[1, 13, 17, 19, 31, 71, 181, 221, 247, 323, 361, 403, 527, 589, 923, 1207, 1349, 2201, 2353, 3077, 3439, 4199, 4693, 5611, 6137, 6851, 7657, 10013, 11191, 12851, 15691, 17537, 22933, 25631, 28613, 37417, 40001, 41819, 44707, 58463, 65341, 72943, 79781, 95387, 106609, 130169, 145483, 167063, 190247, 218467, 244169, 298129, 333203, 398381, 435727, 486421, 543647, 710923, 760019, 794561, 849433, 1110797, 1240031, 1385917, 1812353, 2025571, 2473211, 2840071, 3174197, 4150873, 4639211, 5178953, 5664451, 6772477, 7569239, 9241999, 10329293, 13507537, 14440361, 23560589, 26332423, 34434707, 53961349, 60309743, 78866587, 88042201, 98400107, 128677063, 143815541, 175597981, 447651191, 1025265631, 1672801819, 1869602033, 2444864197, 31783234561]

約数ペア:

[(1, 31783234561), (13, 2444864197), (17, 1869602033), (19, 1672801819), (31, 1025265631), (71, 447651191), (181, 175597981), (221, 143815541), (247, 128677063), (323, 98400107), (361, 88042201), (403, 78866587), (527, 60309743), (589, 53961349), (923, 34434707), (1207, 26332423), (1349, 23560589), (2201, 14440361), (2353, 13507537), (3077, 10329293), (3439, 9241999), (4199, 7569239), (4693, 6772477), (5611, 5664451), (6137, 5178953), (6851, 4639211), (7657, 4150873), (10013, 3174197), (11191, 2840071), (12851, 2473211), (15691, 2025571), (17537, 1812353), (22933, 1385917), (25631, 1240031), (28613, 1110797), (37417, 849433), (40001, 794561), (41819, 760019), (44707, 710923), (58463, 543647), (65341, 486421), (72943, 435727), (79781, 398381), (95387, 333203), (106609, 298129), (130169, 244169), (145483, 218467), (167063, 190247)]