79869490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2226

約数の個数: 32

約数和(自身を含む): 148832640

約数和(自身を除く): 68963150

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 2087, 3827, 4174, 7654, 10435, 19135, 20870, 38270, 89741, 179482, 185743, 371486, 448705, 897410, 928715, 1857430, 7986949, 15973898, 39934745, 79869490]

約数ペア:

[(1, 79869490), (2, 39934745), (5, 15973898), (10, 7986949), (43, 1857430), (86, 928715), (89, 897410), (178, 448705), (215, 371486), (430, 185743), (445, 179482), (890, 89741), (2087, 38270), (3827, 20870), (4174, 19135), (7654, 10435)]