28078078

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12457}}^1$

素因数の和:12496

約数の個数: 24

約数和(自身を含む): 51127632

約数和(自身を除く): 23049554

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 12457, 24914, 87199, 174398, 286511, 573022, 610393, 1220786, 2005577, 4011154, 14039039, 28078078]

約数ペア:

[(1, 28078078), (2, 14039039), (7, 4011154), (14, 2005577), (23, 1220786), (46, 610393), (49, 573022), (98, 286511), (161, 174398), (322, 87199), (1127, 24914), (2254, 12457)]