72028145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 105235200

約数和(自身を除く): 33207055

約数列:

[1, 5, 7, 19, 35, 89, 95, 133, 445, 623, 665, 1217, 1691, 3115, 6085, 8455, 8519, 11837, 23123, 42595, 59185, 108313, 115615, 161861, 541565, 758191, 809305, 2057947, 3790955, 10289735, 14405629, 72028145]

約数ペア:

[(1, 72028145), (5, 14405629), (7, 10289735), (19, 3790955), (35, 2057947), (89, 809305), (95, 758191), (133, 541565), (445, 161861), (623, 115615), (665, 108313), (1217, 59185), (1691, 42595), (3115, 23123), (6085, 11837), (8455, 8519)]