2147438447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 2892865536

約数和(自身を除く): 745427089

約数列:

[1, 7, 11, 23, 43, 77, 161, 163, 173, 253, 301, 473, 989, 1141, 1211, 1771, 1793, 1903, 3311, 3749, 3979, 6923, 7009, 7439, 10879, 12551, 13321, 26243, 27853, 28199, 41239, 43769, 49063, 52073, 76153, 77099, 81829, 161207, 171097, 197393, 288673, 306383, 310189, 539693, 572803, 648577, 1128449, 1197679, 1212557, 1773277, 1882067, 2171323, 4540039, 7134347, 8487899, 12412939, 13174469, 13338127, 27888811, 49940429, 93366889, 195221677, 306776921, 2147438447]

約数ペア:

[(1, 2147438447), (7, 306776921), (11, 195221677), (23, 93366889), (43, 49940429), (77, 27888811), (161, 13338127), (163, 13174469), (173, 12412939), (253, 8487899), (301, 7134347), (473, 4540039), (989, 2171323), (1141, 1882067), (1211, 1773277), (1771, 1212557), (1793, 1197679), (1903, 1128449), (3311, 648577), (3749, 572803), (3979, 539693), (6923, 310189), (7009, 306383), (7439, 288673), (10879, 197393), (12551, 171097), (13321, 161207), (26243, 81829), (27853, 77099), (28199, 76153), (41239, 52073), (43769, 49063)]