87856405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 130362624

約数和(自身を除く): 42506219

約数列:

[1, 5, 7, 13, 35, 65, 91, 353, 455, 547, 1765, 2471, 2735, 3829, 4589, 7111, 12355, 19145, 22945, 32123, 35555, 49777, 160615, 193091, 248885, 965455, 1351637, 2510183, 6758185, 12550915, 17571281, 87856405]

約数ペア:

[(1, 87856405), (5, 17571281), (7, 12550915), (13, 6758185), (35, 2510183), (65, 1351637), (91, 965455), (353, 248885), (455, 193091), (547, 160615), (1765, 49777), (2471, 35555), (2735, 32123), (3829, 22945), (4589, 19145), (7111, 12355)]