420186788

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{246011}}^1$

素因数の和:246083

約数の個数: 24

約数和(自身を含む): 854153664

約数和(自身を除く): 433966876

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 246011, 492022, 984044, 1722077, 3444154, 6888308, 15006671, 30013342, 60026684, 105046697, 210093394, 420186788]

約数ペア:

[(1, 420186788), (2, 210093394), (4, 105046697), (7, 60026684), (14, 30013342), (28, 15006671), (61, 6888308), (122, 3444154), (244, 1722077), (427, 984044), (854, 492022), (1708, 246011)]