81690952

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47057}}^1$

素因数の和:47101

約数の個数: 32

約数和(自身を含む): 180702720

約数和(自身を除く): 99011768

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 47057, 94114, 188228, 329399, 376456, 658798, 1317596, 1458767, 2635192, 2917534, 5835068, 10211369, 11670136, 20422738, 40845476, 81690952]

約数ペア:

[(1, 81690952), (2, 40845476), (4, 20422738), (7, 11670136), (8, 10211369), (14, 5835068), (28, 2917534), (31, 2635192), (56, 1458767), (62, 1317596), (124, 658798), (217, 376456), (248, 329399), (434, 188228), (868, 94114), (1736, 47057)]