280057565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 359064576

約数和(自身を除く): 79007011

約数列:

[1, 5, 31, 53, 73, 155, 265, 365, 467, 1643, 2263, 2335, 3869, 8215, 11315, 14477, 19345, 24751, 34091, 72385, 119939, 123755, 170455, 599695, 767281, 1056821, 1806823, 3836405, 5284105, 9034115, 56011513, 280057565]

約数ペア:

[(1, 280057565), (5, 56011513), (31, 9034115), (53, 5284105), (73, 3836405), (155, 1806823), (265, 1056821), (365, 767281), (467, 599695), (1643, 170455), (2263, 123755), (2335, 119939), (3869, 72385), (8215, 34091), (11315, 24751), (14477, 19345)]