25140857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 30384000

約数和(自身を除く): 5243143

約数列:

[1, 7, 19, 133, 421, 449, 2947, 3143, 7999, 8531, 55993, 59717, 189029, 1323203, 3591551, 25140857]

約数ペア:

[(1, 25140857), (7, 3591551), (19, 1323203), (133, 189029), (421, 59717), (449, 55993), (2947, 8531), (3143, 7999)]