1620788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 3104640

約数和(自身を除く): 1483852

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 439, 878, 923, 1756, 1846, 3692, 5707, 11414, 22828, 31169, 62338, 124676, 405197, 810394, 1620788]

約数ペア:

[(1, 1620788), (2, 810394), (4, 405197), (13, 124676), (26, 62338), (52, 31169), (71, 22828), (142, 11414), (284, 5707), (439, 3692), (878, 1846), (923, 1756)]