638768090

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{2087}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 1164201984

約数和(自身を除く): 525433894

約数列:

[1, 2, 5, 10, 127, 241, 254, 482, 635, 1205, 1270, 2087, 2410, 4174, 10435, 20870, 30607, 61214, 153035, 265049, 306070, 502967, 530098, 1005934, 1325245, 2514835, 2650490, 5029670, 63876809, 127753618, 319384045, 638768090]

約数ペア:

[(1, 638768090), (2, 319384045), (5, 127753618), (10, 63876809), (127, 5029670), (241, 2650490), (254, 2514835), (482, 1325245), (635, 1005934), (1205, 530098), (1270, 502967), (2087, 306070), (2410, 265049), (4174, 153035), (10435, 61214), (20870, 30607)]