217256417

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{4229}}^1$

素因数の和:4456

約数の個数: 16

約数和(自身を含む): 255830400

約数和(自身を除く): 38573983

約数列:

[1, 7, 41, 179, 287, 1253, 4229, 7339, 29603, 51373, 173389, 756991, 1213723, 5298937, 31036631, 217256417]

約数ペア:

[(1, 217256417), (7, 31036631), (41, 5298937), (179, 1213723), (287, 756991), (1253, 173389), (4229, 51373), (7339, 29603)]