2563992

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 7020000

約数和(自身を除く): 4456008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 239, 298, 447, 478, 596, 717, 894, 956, 1192, 1341, 1434, 1788, 1912, 2151, 2682, 2868, 3576, 4302, 5364, 5736, 8604, 10728, 17208, 35611, 71222, 106833, 142444, 213666, 284888, 320499, 427332, 640998, 854664, 1281996, 2563992]

約数ペア:

[(1, 2563992), (2, 1281996), (3, 854664), (4, 640998), (6, 427332), (8, 320499), (9, 284888), (12, 213666), (18, 142444), (24, 106833), (36, 71222), (72, 35611), (149, 17208), (239, 10728), (298, 8604), (447, 5736), (478, 5364), (596, 4302), (717, 3576), (894, 2868), (956, 2682), (1192, 2151), (1341, 1912), (1434, 1788)]