257915329

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{24547}}^1$

素因数の和:24652

約数の個数: 16

約数和(自身を含む): 314214400

約数和(自身を除く): 56299071

約数列:

[1, 7, 19, 79, 133, 553, 1501, 10507, 24547, 171829, 466393, 1939213, 3264751, 13574491, 36845047, 257915329]

約数ペア:

[(1, 257915329), (7, 36845047), (19, 13574491), (79, 3264751), (133, 1939213), (553, 466393), (1501, 171829), (10507, 24547)]