28513583

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 7981777

約数列:

[1, 7, 23, 29, 31, 161, 197, 203, 217, 667, 713, 899, 1379, 4531, 4669, 4991, 5713, 6107, 6293, 20677, 31717, 39991, 42749, 131399, 140461, 144739, 177103, 919793, 983227, 1239721, 4073369, 28513583]

約数ペア:

[(1, 28513583), (7, 4073369), (23, 1239721), (29, 983227), (31, 919793), (161, 177103), (197, 144739), (203, 140461), (217, 131399), (667, 42749), (713, 39991), (899, 31717), (1379, 20677), (4531, 6293), (4669, 6107), (4991, 5713)]