16520565564

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{19289}}^1$

素因数の和:19979

約数の個数: 72

約数和(自身を含む): 42957904080

約数和(自身を除く): 26437338516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 643, 666, 1286, 1332, 1929, 2572, 3858, 5787, 7716, 11574, 19289, 23148, 23791, 38578, 47582, 57867, 71373, 77156, 95164, 115734, 142746, 173601, 214119, 231468, 285492, 347202, 428238, 694404, 713693, 856476, 1427386, 2141079, 2854772, 4282158, 6423237, 8564316, 12402827, 12846474, 24805654, 25692948, 37208481, 49611308, 74416962, 111625443, 148833924, 223250886, 446501772, 458904599, 917809198, 1376713797, 1835618396, 2753427594, 4130141391, 5506855188, 8260282782, 16520565564]

約数ペア:

[(1, 16520565564), (2, 8260282782), (3, 5506855188), (4, 4130141391), (6, 2753427594), (9, 1835618396), (12, 1376713797), (18, 917809198), (36, 458904599), (37, 446501772), (74, 223250886), (111, 148833924), (148, 111625443), (222, 74416962), (333, 49611308), (444, 37208481), (643, 25692948), (666, 24805654), (1286, 12846474), (1332, 12402827), (1929, 8564316), (2572, 6423237), (3858, 4282158), (5787, 2854772), (7716, 2141079), (11574, 1427386), (19289, 856476), (23148, 713693), (23791, 694404), (38578, 428238), (47582, 347202), (57867, 285492), (71373, 231468), (77156, 214119), (95164, 173601), (115734, 142746)]