28708232

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 66355200

約数和(自身を除く): 37646968

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 644, 713, 719, 868, 1288, 1426, 1438, 1736, 2852, 2876, 4991, 5033, 5704, 5752, 9982, 10066, 16537, 19964, 20132, 22289, 33074, 39928, 40264, 44578, 66148, 89156, 115759, 132296, 156023, 178312, 231518, 312046, 463036, 512647, 624092, 926072, 1025294, 1248184, 2050588, 3588529, 4101176, 7177058, 14354116, 28708232]

約数ペア:

[(1, 28708232), (2, 14354116), (4, 7177058), (7, 4101176), (8, 3588529), (14, 2050588), (23, 1248184), (28, 1025294), (31, 926072), (46, 624092), (56, 512647), (62, 463036), (92, 312046), (124, 231518), (161, 178312), (184, 156023), (217, 132296), (248, 115759), (322, 89156), (434, 66148), (644, 44578), (713, 40264), (719, 39928), (868, 33074), (1288, 22289), (1426, 20132), (1438, 19964), (1736, 16537), (2852, 10066), (2876, 9982), (4991, 5752), (5033, 5704)]