28121464

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 63221760

約数和(自身を除く): 35100296

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 97, 124, 167, 194, 217, 248, 334, 388, 434, 668, 679, 776, 868, 1169, 1336, 1358, 1736, 2338, 2716, 3007, 4676, 5177, 5432, 6014, 9352, 10354, 12028, 16199, 20708, 21049, 24056, 32398, 36239, 41416, 42098, 64796, 72478, 84196, 113393, 129592, 144956, 168392, 226786, 289912, 453572, 502169, 907144, 1004338, 2008676, 3515183, 4017352, 7030366, 14060732, 28121464]

約数ペア:

[(1, 28121464), (2, 14060732), (4, 7030366), (7, 4017352), (8, 3515183), (14, 2008676), (28, 1004338), (31, 907144), (56, 502169), (62, 453572), (97, 289912), (124, 226786), (167, 168392), (194, 144956), (217, 129592), (248, 113393), (334, 84196), (388, 72478), (434, 64796), (668, 42098), (679, 41416), (776, 36239), (868, 32398), (1169, 24056), (1336, 21049), (1358, 20708), (1736, 16199), (2338, 12028), (2716, 10354), (3007, 9352), (4676, 6014), (5177, 5432)]