281387236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{2707}}^1$

素因数の和:4723

約数の個数: 24

約数和(自身を含む): 530768000

約数和(自身を除く): 249380764

約数列:

[1, 2, 4, 13, 26, 52, 1999, 2707, 3998, 5414, 7996, 10828, 25987, 35191, 51974, 70382, 103948, 140764, 5411293, 10822586, 21645172, 70346809, 140693618, 281387236]

約数ペア:

[(1, 281387236), (2, 140693618), (4, 70346809), (13, 21645172), (26, 10822586), (52, 5411293), (1999, 140764), (2707, 103948), (3998, 70382), (5414, 51974), (7996, 35191), (10828, 25987)]