81464264

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2927}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 180247680

約数和(自身を除く): 98783416

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 2927, 3479, 3976, 5854, 6958, 11708, 13916, 20489, 23416, 27832, 40978, 81956, 143423, 163912, 207817, 286846, 415634, 573692, 831268, 1147384, 1454719, 1662536, 2909438, 5818876, 10183033, 11637752, 20366066, 40732132, 81464264]

約数ペア:

[(1, 81464264), (2, 40732132), (4, 20366066), (7, 11637752), (8, 10183033), (14, 5818876), (28, 2909438), (49, 1662536), (56, 1454719), (71, 1147384), (98, 831268), (142, 573692), (196, 415634), (284, 286846), (392, 207817), (497, 163912), (568, 143423), (994, 81956), (1988, 40978), (2927, 27832), (3479, 23416), (3976, 20489), (5854, 13916), (6958, 11708)]