28456589

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 37034496

約数和(自身を除く): 8577907

約数列:

[1, 7, 17, 23, 37, 119, 161, 259, 281, 391, 629, 851, 1967, 2737, 4403, 4777, 5957, 6463, 10397, 14467, 33439, 45241, 72779, 101269, 109871, 176749, 239131, 769097, 1237243, 1673917, 4065227, 28456589]

約数ペア:

[(1, 28456589), (7, 4065227), (17, 1673917), (23, 1237243), (37, 769097), (119, 239131), (161, 176749), (259, 109871), (281, 101269), (391, 72779), (629, 45241), (851, 33439), (1967, 14467), (2737, 10397), (4403, 6463), (4777, 5957)]