81783884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2707}}^1$

素因数の和:2814

約数の個数: 48

約数和(自身を含む): 178338048

約数和(自身を除く): 96554164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 1079, 1162, 2158, 2324, 2707, 4316, 5414, 7553, 10828, 15106, 18949, 30212, 35191, 37898, 70382, 75796, 140764, 224681, 246337, 449362, 492674, 898724, 985348, 1572767, 2920853, 3145534, 5841706, 6291068, 11683412, 20445971, 40891942, 81783884]

約数ペア:

[(1, 81783884), (2, 40891942), (4, 20445971), (7, 11683412), (13, 6291068), (14, 5841706), (26, 3145534), (28, 2920853), (52, 1572767), (83, 985348), (91, 898724), (166, 492674), (182, 449362), (332, 246337), (364, 224681), (581, 140764), (1079, 75796), (1162, 70382), (2158, 37898), (2324, 35191), (2707, 30212), (4316, 18949), (5414, 15106), (7553, 10828)]