2008148545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{49117}}^1$

素因数の和:49189

約数の個数: 32

約数和(自身を含む): 2822123808

約数和(自身を除く): 813975263

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 2405, 3145, 8177, 40885, 49117, 245585, 638521, 834989, 1817329, 3192605, 4174945, 9086645, 10854857, 23625277, 30894593, 54274285, 118126385, 154472965, 401629709, 2008148545]

約数ペア:

[(1, 2008148545), (5, 401629709), (13, 154472965), (17, 118126385), (37, 54274285), (65, 30894593), (85, 23625277), (185, 10854857), (221, 9086645), (481, 4174945), (629, 3192605), (1105, 1817329), (2405, 834989), (3145, 638521), (8177, 245585), (40885, 49117)]