208020533

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1409}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 254612160

約数和(自身を除く): 46591627

約数列:

[1, 7, 23, 49, 131, 161, 917, 1127, 1409, 3013, 6419, 9863, 21091, 32407, 69041, 147637, 184579, 226849, 1292053, 1587943, 4245317, 9044371, 29717219, 208020533]

約数ペア:

[(1, 208020533), (7, 29717219), (23, 9044371), (49, 4245317), (131, 1587943), (161, 1292053), (917, 226849), (1127, 184579), (1409, 147637), (3013, 69041), (6419, 32407), (9863, 21091)]