289497988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{40637}}^1$

素因数の和:40791

約数の個数: 24

約数和(自身を含む): 549588312

約数和(自身を除く): 260090324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 40637, 81274, 162548, 528281, 1056562, 2113124, 5567269, 11134538, 22269076, 72374497, 144748994, 289497988]

約数ペア:

[(1, 289497988), (2, 144748994), (4, 72374497), (13, 22269076), (26, 11134538), (52, 5567269), (137, 2113124), (274, 1056562), (548, 528281), (1781, 162548), (3562, 81274), (7124, 40637)]