28263205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1373}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 35614080

約数和(自身を除く): 7350875

約数列:

[1, 5, 23, 115, 179, 895, 1373, 4117, 6865, 20585, 31579, 157895, 245767, 1228835, 5652641, 28263205]

約数ペア:

[(1, 28263205), (5, 5652641), (23, 1228835), (115, 245767), (179, 157895), (895, 31579), (1373, 20585), (4117, 6865)]