397991999

素因数分解:

${\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 414616320

約数和(自身を除く): 16624321

約数列:

[1, 53, 61, 257, 479, 3233, 13621, 15677, 25387, 29219, 123103, 830881, 1548607, 6524459, 7509283, 397991999]

約数ペア:

[(1, 397991999), (53, 7509283), (61, 6524459), (257, 1548607), (479, 830881), (3233, 123103), (13621, 29219), (15677, 25387)]