621572

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 1263360

約数和(自身を除く): 641788

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 281, 316, 553, 562, 1106, 1124, 1967, 2212, 3934, 7868, 22199, 44398, 88796, 155393, 310786, 621572]

約数ペア:

[(1, 621572), (2, 310786), (4, 155393), (7, 88796), (14, 44398), (28, 22199), (79, 7868), (158, 3934), (281, 2212), (316, 1967), (553, 1124), (562, 1106)]