20131233871

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 24756019200

約数和(自身を除く): 4624785329

約数列:

[1, 7, 31, 73, 89, 109, 131, 217, 511, 623, 763, 917, 2263, 2759, 3379, 4061, 6497, 7957, 9563, 9701, 11659, 14279, 15841, 19313, 23653, 28427, 45479, 55699, 66941, 67907, 81613, 99953, 201407, 246667, 296453, 300731, 361429, 442649, 708173, 851107, 1042367, 1270831, 1409849, 1726669, 2075171, 2105117, 2530003, 3098543, 4957211, 5957749, 7296569, 8895817, 21953363, 26384317, 32313377, 39395761, 92770663, 153673541, 184690219, 226193639, 275770327, 649394641, 2875890553, 20131233871]

約数ペア:

[(1, 20131233871), (7, 2875890553), (31, 649394641), (73, 275770327), (89, 226193639), (109, 184690219), (131, 153673541), (217, 92770663), (511, 39395761), (623, 32313377), (763, 26384317), (917, 21953363), (2263, 8895817), (2759, 7296569), (3379, 5957749), (4061, 4957211), (6497, 3098543), (7957, 2530003), (9563, 2105117), (9701, 2075171), (11659, 1726669), (14279, 1409849), (15841, 1270831), (19313, 1042367), (23653, 851107), (28427, 708173), (45479, 442649), (55699, 361429), (66941, 300731), (67907, 296453), (81613, 246667), (99953, 201407)]