71919155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{509}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 108103680

約数和(自身を除く): 36184525

約数列:

[1, 5, 7, 11, 35, 55, 77, 367, 385, 509, 1835, 2545, 2569, 3563, 4037, 5599, 12845, 17815, 20185, 27995, 28259, 39193, 141295, 186803, 195965, 934015, 1307621, 2054833, 6538105, 10274165, 14383831, 71919155]

約数ペア:

[(1, 71919155), (5, 14383831), (7, 10274165), (11, 6538105), (35, 2054833), (55, 1307621), (77, 934015), (367, 195965), (385, 186803), (509, 141295), (1835, 39193), (2545, 28259), (2569, 27995), (3563, 20185), (4037, 17815), (5599, 12845)]