205280408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{8087}}^1$

素因数の和:8279

約数の個数: 32

約数和(自身を含む): 407635200

約数和(自身を除く): 202354792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 1336, 3173, 6346, 8087, 12692, 16174, 25384, 32348, 64696, 153653, 307306, 614612, 1229224, 1350529, 2701058, 5402116, 10804232, 25660051, 51320102, 102640204, 205280408]

約数ペア:

[(1, 205280408), (2, 102640204), (4, 51320102), (8, 25660051), (19, 10804232), (38, 5402116), (76, 2701058), (152, 1350529), (167, 1229224), (334, 614612), (668, 307306), (1336, 153653), (3173, 64696), (6346, 32348), (8087, 25384), (12692, 16174)]