1687244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 3231648

約数和(自身を除く): 1544404

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 457, 914, 923, 1828, 1846, 3692, 5941, 11882, 23764, 32447, 64894, 129788, 421811, 843622, 1687244]

約数ペア:

[(1, 1687244), (2, 843622), (4, 421811), (13, 129788), (26, 64894), (52, 32447), (71, 23764), (142, 11882), (284, 5941), (457, 3692), (914, 1846), (923, 1828)]