81435284

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 167612928

約数和(自身を除く): 86177644

約数列:

[1, 2, 4, 7, 14, 28, 67, 83, 134, 166, 268, 332, 469, 523, 581, 938, 1046, 1162, 1876, 2092, 2324, 3661, 5561, 7322, 11122, 14644, 22244, 35041, 38927, 43409, 70082, 77854, 86818, 140164, 155708, 173636, 245287, 303863, 490574, 607726, 981148, 1215452, 2908403, 5816806, 11633612, 20358821, 40717642, 81435284]

約数ペア:

[(1, 81435284), (2, 40717642), (4, 20358821), (7, 11633612), (14, 5816806), (28, 2908403), (67, 1215452), (83, 981148), (134, 607726), (166, 490574), (268, 303863), (332, 245287), (469, 173636), (523, 155708), (581, 140164), (938, 86818), (1046, 77854), (1162, 70082), (1876, 43409), (2092, 38927), (2324, 35041), (3661, 22244), (5561, 14644), (7322, 11122)]